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 Showing results 1 to 3 of 3 Search took 0.01 seconds. Search: Posts Made By: JCoveiro
 2022-02-08, 14:43 Replies: 2 Views: 722 Posted By JCoveiro also2 Numbers: 3,11,23,191,3539,10691,83339,4031399,13347311 can be generated by: isprime(2*p+1)&&(p%4==3) And numbers: 5,89,9689,21701,859433,43112609 can be generated by: isprime(2*p+1)&&(p%4==1)
 2022-02-08, 14:13 Replies: 2 Views: 722 Posted By JCoveiro also Also: If (2*p+1) | Mersenne(p) then: Wagstaff(p) might be a prime. 3,11,23,191,3539,10691,83339,4031399,13347311 and If (2*p+1) | Wagstaff(p) then: Mersenne(p) might be a prime.
 2022-02-06, 19:22 Replies: 2 Views: 722 Posted By JCoveiro Sophie Germain Primes, Mersenne numbers and Wagstaff numbers Connection Hi all. I think I've found a "Sophie Germain Primes" connection with Mersenne numbers and Wagstaff numbers. k=1;forprime(x=1,1000,if(isprime(2*x+1),print1("SophieGermain("k")*2+1 = ("x"*2+1) =...
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