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-   -   Smallest floor of k for cullen prime (https://www.mersenneforum.org/showthread.php?t=7861)

ET_ 2007-04-19 20:38

Two more factors on the left k's.

[code]
[Thu Apr 19 11:46:48 2007]
4658500*2^4658500+1 completed P-1, B1=55000, B2=2007500, Wc1: 789CCC96
[Thu Apr 19 13:34:04 2007]
P-1 found a factor in stage #2, B1=55000, B2=2048750.
4764375*2^4764375+1 has a factor: 42792868783403257488929
[Thu Apr 19 15:25:33 2007]
4791600*2^4791600+1 completed P-1, B1=60000, B2=2085000, Wc1: 7C0003B7
[Thu Apr 19 17:17:28 2007]
4840000*2^4840000+1 completed P-1, B1=60000, B2=2100000, Wc1: 7D764EBF
[Thu Apr 19 17:54:59 2007]
P-1 found a factor in stage #1, B1=60000.
4851495*2^4851495+1 has a factor: 53499816475348631243
[Thu Apr 19 19:48:00 2007]
4915625*2^4915625+1 completed P-1, B1=60000, B2=2115000, Wc1: 7F6C8E3C
[Thu Apr 19 22:28:00 2007]
4919376*2^4919376+1 completed P-1, B1=60000, B2=2115000, Wc1: 7F7C8E5B
[/code]

Luigi

Citrix 2007-04-26 19:52

Finished testing these numbers, no prime.:yucky: :sad:


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