Thread: Double checking View Single Post
2022-06-04, 18:41   #71
MooMoo2

Aug 2010

2·5·67 Posts

Double checking k=19 from n=1-1787500 (1.7875M) is complete. No problems found, and the results are attached.

For reference, the list of primes up to n=1.7875M that were confirmed are:
Code:
19*2^1-1 is prime! (2 decimal digits)
19*2^3-1 is prime! (3 decimal digits)
19*2^5-1 is prime! (3 decimal digits)
19*2^21-1 is prime! (8 decimal digits)
19*2^41-1 is prime! (14 decimal digits)
19*2^49-1 is prime! (17 decimal digits)
19*2^89-1 is prime! (29 decimal digits)
19*2^133-1 is prime! (42 decimal digits)
19*2^141-1 is prime! (44 decimal digits)
19*2^165-1 is prime! (51 decimal digits)
19*2^189-1 is prime! (59 decimal digits)
19*2^293-1 is prime! (90 decimal digits)
19*2^305-1 is prime! (94 decimal digits)
19*2^395-1 is prime! (121 decimal digits)
19*2^651-1 is prime! (198 decimal digits)
19*2^665-1 is prime! (202 decimal digits)
19*2^771-1 is prime! (234 decimal digits)
19*2^801-1 is prime! (243 decimal digits)
19*2^923-1 is prime! (280 decimal digits)
19*2^953-1 is prime! (289 decimal digits)
19*2^3689-1 is prime! (1112 decimal digits)
19*2^5315-1 is prime! (1602 decimal digits)
19*2^6989-1 is prime! (2106 decimal digits)
19*2^15641-1 is prime! (4710 decimal digits)
19*2^48819-1 is prime! (14698 decimal digits)
19*2^78389-1 is prime! (23599 decimal digits)
19*2^134053-1 is prime! (40356 decimal digits)
19*2^167843-1 is prime! (50528 decimal digits)
19*2^181395-1 is prime! (54607 decimal digits)
19*2^311091-1 is prime! (93650 decimal digits)
19*2^353661-1 is prime! (106464 decimal digits)
19*2^645555-1 is prime! (194333 decimal digits)
19*2^916763-1 is prime! (275975 decimal digits)
19*2^1325245-1 is prime! (398940 decimal digits)
19*2^1434165-1 is prime! (431728 decimal digits)
19*2^1684813-1 is prime! (507181 decimal digits)
Attached Files
 1 - 390000.txt (966.3 KB, 15 views) 390000 - 770000.txt (845.7 KB, 15 views) 770000 - 1185000.txt (879.3 KB, 15 views) 1185000 - 1598500.txt (890.1 KB, 16 views) 1598500 - 1787500.txt (410.5 KB, 16 views)