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Old 2020-07-23, 07:33   #1
Mar 2018

2×5×53 Posts
Default 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.
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