View Single Post
Old 2016-04-05, 18:58   #4
Batalov
 
Batalov's Avatar
 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2

9,857 Posts
Default

2280196563*2^9982+1 = p (3015 digits)
and twin pair =
3*2280196563*2^9983+5 = 6p-1
3*2280196563*2^9983+7 = 6p+1
Batalov is offline   Reply With Quote