2001
This number is a composite.
Harvey Dubner found a record set of three 2001-digit palindromic
primes in arithmetic progression in the year 2001.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
Harvey Dubner found a record set of three 2001-digit palindromic
primes in arithmetic progression in the year 2001.