mersenneforum.org - View Single Post

enzocreti · 2020-07-23, 07:33

pg(69660) is prime
pg(92020) is prime and 92020+239239 is prime
pg(92020+239239) is prime

Now i consider

pg(69660+239239) which is (2^308899-1)*10^92988+2^308898-1

the number is not prime ( I think I already tested it with Pfgw) but has no small factors.

2020-07-23, 07:33	#1
enzocreti Mar 2018 532₁₀ Posts	pg(308899) pg(69660) is prime pg(92020) is prime and 92020+239239 is prime pg(92020+239239) is prime Now i consider pg(69660+239239) which is (2^308899-1)*10^92988+2^308898-1 the number is not prime ( I think I already tested it with Pfgw) but has no small factors.