99764...46799 (39-digits)
This number is a prime.
997642671 9777730178 6882026778 0265246799
2^127 plus its reversal is a prime number. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
997642671 9777730178 6882026778 0265246799
2^127 plus its reversal is a prime number. [Gaydos]