mersenneforum.org - 15*2^n-1, n>1M Reservation Thread

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I'm so sorry but I would like to unreserve the range 1648-1650
[FONT=monospace][FONT=Verdana]I tested a few numbers:

[code]15*2^1648004-1 is not prime. LLR Res64: 51AF8542E1782D95 Time : 7237.983 sec.
15*2^1648009-1 is not prime. LLR Res64: FD79A01861B6B670 Time : 7237.743 sec.
15*2^1648012-1 is not prime. LLR Res64: 72C44FBC0FEA2AF6 Time : 7270.215 sec.
15*2^1648040-1 is not prime. LLR Res64: ED5A5327EFB7512E Time : 7244.923 sec.
15*2^1648060-1 is not prime. LLR Res64: ECE8C9634512D6C8 Time : 7254.504 sec.
15*2^1648063-1 is not prime. LLR Res64: 44BAEB1FFD4E09CA Time : 7237.482 sec.
15*2^1648114-1 is not prime. LLR Res64: 7020683578079009 Time : 7236.438 sec.
15*2^1648135-1 is not prime. LLR Res64: 7E557AC265D7BBD0 Time : 7256.674 sec.
[/code][/FONT]
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I am taking 1648-1650 then :smile:

1694-1696 complete, no primes.

Taking 1696-1698.

1648-1650 and 1688-1692 done, no primes.

Test files from 1.7M, sieved to 42T are now available for download.

Let's hope that the next prime is around the corner!:smile:

1696-1698 complete, no primes.

1682-1684 and 1692-1694 complete, no primes.

Taking 1702-1704.

1700-1702 complete, no primes.

Taking 1704-1706.

1698-1700 complete, no primes
Taking 1706-1708