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Forum: Prime Cullen Prime 2007-04-26, 19:52
Replies: 12
Views: 12,773
Posted By Citrix
Finished testing these numbers, no prime.:yucky:...

Finished testing these numbers, no prime.:yucky: :sad:
Forum: Prime Cullen Prime 2007-04-19, 19:32
Replies: 12
Views: 12,773
Posted By Citrix
82 values left 1522521 2 +1 1542294...

82 values left



1522521 2 +1
1542294 2 +1
1548288 2 +1
1607445 2 +1
1660932 2 +1
1702701 2 +1
Forum: Prime Cullen Prime 2007-04-18, 02:50
Replies: 12
Views: 12,773
Posted By Citrix
I want to sieve these numbers. So every number...

I want to sieve these numbers. So every number removed would speed up the sieve very much as there are only 96 numbers.

Please post the factors or PM them to me. Thanks. :smile:
Forum: Prime Cullen Prime 2007-04-17, 02:04
Replies: 12
Views: 12,773
Posted By Citrix
ET_ any factors yet?

ET_ any factors yet?
Forum: Prime Cullen Prime 2007-04-15, 05:53
Replies: 12
Views: 12,773
Posted By Citrix
Smallest floor of k for cullen prime

A related problem to the project.
Find the smallest floor of k for a cullen prime?

eg. 18496*2^18496+1 is prime and 18496=2^4*17^2. Hence 17 is the floor of the k for this prime.

what is the...
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