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 Showing results 1 to 5 of 5 Search took 0.01 seconds. Search: Posts Made By: R. Gerbicz
 Forum: Wagstaff PRP Search 2019-06-26, 19:58 Replies: 28 Views: 11,816 Posted By R. Gerbicz But why are you repeating me? You have even an... But why are you repeating me? You have even an error in this line. Yeah, copying isn't that easy.
 Forum: Wagstaff PRP Search 2019-06-26, 18:39 Replies: 28 Views: 11,816 Posted By R. Gerbicz The common generalization could be: ... The common generalization could be: a(n)=polcyclo(h*n,2) for fixed h>0 integer. For h=1 a(a(p))=M(M(p)) if p and M(p)=2^p-1 is prime. For h=2 a(a(p))=W(W(p)) if p and W(p)=(2^p+1)/3 is prime....
 Forum: Wagstaff PRP Search 2019-06-26, 08:38 Replies: 28 Views: 11,816 Posted By R. Gerbicz In this line the cofactor is prime:... In this line the cofactor is prime: p189=(2^683+1)/3/1676083/26955961001 .
 Forum: Wagstaff PRP Search 2019-06-26, 00:16 Replies: 28 Views: 11,816 Posted By R. Gerbicz W(79) is prime, but W(W(79)) is divisible by... W(79) is prime, but W(W(79)) is divisible by 183756724581423634555339057*101874969893105185923314913883, hence it is composite. ps, and these has a single google hit:...
 Forum: Wagstaff PRP Search 2019-06-25, 23:59 Replies: 28 Views: 11,816 Posted By R. Gerbicz If W(p) is composite then W(W(p)) is also... If W(p) is composite then W(W(p)) is also composite (and all iterated versions).
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