3!20-1 trivially factors prime!: 2 (digits:1)
4!20-1 trivially factors prime!: 3 (digits:1)
6!20-1 trivially factors prime!: 5 (digits:1)
8!20-1 trivially factors prime!: 7 (digits:1)
12!20-1 trivially factors prime!: 11 (digits:2)
14!20-1 trivially factors prime!: 13 (digits:2)
20!20-1 trivially factors prime!: 19 (digits:2)
22!20-1 trivially factors prime!: 43 (digits:2)
28!20-1 trivially factors prime!: 223 (digits:3)
32!20-1 trivially factors prime!: 383 (digits:3)
38!20-1 trivially factors prime!: 683 (digits:3)
42!20-1 trivially factors prime!: 1847 (digits:4)
54!20-1 trivially factors prime!: 25703 (digits:5)
58!20-1 trivially factors prime!: 39671 (digits:5)
70!20-1 trivially factors prime!: 1049999 (digits:7)
80!20-1 trivially factors prime!: 3839999 (digits:7)
84!20-1 trivially factors prime!: 22708223 (digits:8)
Primality testing 118!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 48.57%
118!20-1 is prime! (0.020000 seconds) (digits:11)
Primality testing 132!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 50.00%
132!20-1 is prime! (0.010000 seconds) (digits:13)
Primality testing 140!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 42.86%
140!20-1 is prime! (0.000000 seconds) (digits:13)
Primality testing 172!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 45.45%
172!20-1 is prime! (0.010000 seconds) (digits:17)
Primality testing 178!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 37.50%
178!20-1 is prime! (0.040000 seconds) (digits:18)
Primality testing 190!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 43.55%
190!20-1 is prime! (0.010000 seconds) (digits:19)
Primality testing 202!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 40.91%
202!20-1 is prime! (0.050000 seconds) (digits:20)
Primality testing 204!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 46.27%
204!20-1 is prime! (0.010000 seconds) (digits:21)
Primality testing 218!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 37.50%
218!20-1 is prime! (0.030000 seconds) (digits:22)
Primality testing 252!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 44.19%
252!20-1 is prime! (0.020000 seconds) (digits:27)
Primality testing 332!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 41.18%
332!20-1 is prime! (0.020000 seconds) (digits:37)
Primality testing 360!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 40.00%
360!20-1 is prime! (0.020000 seconds) (digits:40)
Primality testing 404!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 42.00%
404!20-1 is prime! (0.020000 seconds) (digits:46)
Primality testing 482!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 37.50%
482!20-1 is prime! (0.020000 seconds) (digits:56)
Primality testing 592!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 39.32%
592!20-1 is prime! (0.020000 seconds) (digits:71)
Primality testing 738!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 36.75%
738!20-1 is prime! (0.251000 seconds) (digits:92)
Primality testing 832!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 36.78%
832!20-1 is prime! (0.030000 seconds) (digits:105)
Primality testing 850!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.01%
850!20-1 is prime! (0.040000 seconds) (digits:108)
Primality testing 898!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 34.21%
898!20-1 is prime! (0.050000 seconds) (digits:115)
Primality testing 1052!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 34.57%
1052!20-1 is prime! (0.040000 seconds) (digits:138)
Primality testing 1082!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.47%
1082!20-1 is prime! (0.230000 seconds) (digits:143)
Primality testing 1174!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.84%
1174!20-1 is prime! (0.380000 seconds) (digits:157)
Primality testing 1830!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 41.50%
1830!20-1 is prime! (0.190000 seconds) (digits:261)
Primality testing 1844!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 40.09%
1844!20-1 is prime! (0.141000 seconds) (digits:263)
Primality testing 2088!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 39.76%
2088!20-1 is prime! (0.170000 seconds) (digits:304)
Primality testing 2092!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 39.38%
2092!20-1 is prime! (0.871000 seconds) (digits:304)
Primality testing 2150!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 40.48%
2150!20-1 is prime! (0.250000 seconds) (digits:314)
Primality testing 2490!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 39.56%
2490!20-1 is prime! (0.361000 seconds) (digits:371)
Primality testing 2804!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 37.76%
2804!20-1 is prime! (1.142000 seconds) (digits:425)
Primality testing 3078!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 34.16%
3078!20-1 is prime! (1.822000 seconds) (digits:472)
Primality testing 4020!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 55.59%
4020!20-1 is prime! (1.052000 seconds) (digits:639)
Primality testing 5180!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 53.80%
5180!20-1 is prime! (1.692000 seconds) (digits:852)
Primality testing 6162!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.87%
6162!20-1 is prime! (11.697000 seconds) (digits:1036)
Primality testing 6898!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.46%
6898!20-1 is prime! (11.967000 seconds) (digits:1176)
Primality testing 8070!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.81%
8070!20-1 is prime! (6.289000 seconds) (digits:1404)
Primality testing 8974!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.82%
8974!20-1 is prime! (5.218000 seconds) (digits:1581)
Primality testing 9230!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 39.98%
9230!20-1 is prime! (7.140000 seconds) (digits:1632)
Primality testing 15078!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.94%
15078!20-1 is prime! (7.594000 seconds) (digits:2825)
Primality testing 16644!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.93%
16644!20-1 is prime! (49.656000 seconds) (digits:3154)
Primality testing 20568!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.76%
20568!20-1 is prime! (13.172000 seconds) (digits:3992)
Primality testing 20978!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.77%
20978!20-1 is prime! (14.828000 seconds) (digits:4080)
Primality testing 23230!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.91%
23230!20-1 is prime! (52.031000 seconds) (digits:4570)
Primality testing 24450!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.75%
24450!20-1 is prime! (86.218000 seconds) (digits:4837)
Primality testing 34918!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.63%
34918!20-1 is prime! (223.110000 seconds) (digits:7176)
Primality testing 38924!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.36%
38924!20-1 is prime! (78.132000 seconds) (digits:8091)
Primality testing 39214!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.92%
39214!20-1 is prime! (333.470000 seconds) (digits:8158)
Primality testing 52658!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.63%
52658!20-1 is prime! (667.891000 seconds) (digits:11290) Ian Brown 05/2003
Primality testing 73052!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.39%
73052!20-1 is prime! (627.533000 seconds) (digits:16182) Ian Brown 05/2003
Primality testing 77900!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 39.83%
77900!20-1 is prime! (668.866000 seconds) (digits:17364) Ian Brown 05/2003
Primality testing 104448!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.95%
104448!20-1 is prime! (2703.337000 seconds) (digits:23946) Ian Brown 05/2003
Primality testing 107052!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.86%
107052!20-1 is prime! (1355.249000 seconds) (digits:24600) Ian Brown 05/2003
Primality testing 113842!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.46%
113842!20-1 is prime! (4031.177000 seconds) (digits:26312) Ian Brown 05/2003
Primality testing 145730!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.05%
145730!20-1 is prime! (7351.125000 seconds) (digits:34463) Ian Brown p90 07/2003
Primality testing 148130!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.00%
148130!20-1 is prime! (2474.578000 seconds) (digits:35083) Ian Brown p90 07/2003
Primality testing 154822!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.47%
154822!20-1 is prime! (2008.524000 seconds) (digits:36816) Ian Brown p90 07/2003
Primality testing 179570!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 34.41%
179570!20-1 is prime! (2374.4008s+0.0916s) (digits:43279) Ken Davis p104 11/2003
Primality testing 197930!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 34.11%
197930!20-1 is prime! (4125.0019s+0.0661s) (digits:48122) Ken Davis p104 04/2004
Primality testing 198448!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.47%
198448!20-1 is prime! (1996.1231s+0.0861s) (digits:48259) Ken Davis p104 04/2004
200001
.....
250000
Primality testing 260240!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 35.66%
260240!20-1 is prime! (-1335.4273s+0.0700s) (digits:64817) Masataka Oita g276 12/2004
Primality testing 288574!20-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 33.63%
288574!20-1 is prime! (-1746.1573s+0.0800s) (digits:72521) Masataka Oita p176 08/2005