mersenneforum.org Mersenne Psuedo Primes
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 2012-07-10, 01:53 #1 prime7989   Jun 2012 17 Posts Mersenne Psuedo Primes Mp=2^p-1 where p=11 is a Mersenne pseudo prime using FLT with base a=11. Does anyone know of any other Mersenne pseudo primes? Thank you, Allan Menezes
 2012-07-10, 02:49 #2 Batalov     "Serge" Mar 2008 Phi(4,2^7658614+1)/2 24AF16 Posts Well, all Mp are all pseudo primes in base a=2... (except primes are really primes) In a>2?
 2012-07-10, 03:27 #3 LaurV Romulan Interpreter     Jun 2011 Thailand 222468 Posts They all are pseudo primes to some bases (a LOT of bases). If you mean for a=p, then 11 is the only case. pari/gp: Code: (10:25:43) gp > default(primelimit,10^9) (10:25:49) gp > p=11; m=1< p=23; m=1< p=29; m=1< to continue; 'break' to go back to GP break> Last fiddled with by LaurV on 2012-07-10 at 03:29 Reason: added colors for easy reading

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