70000...00007 (99-digits)

This number is a prime.

                                             700000000 0000000000 0000000000
0000000000 0000000000 8000000000 0000000000 0000000000 0000000000 0000000007

+ The largest palindromic prime less than a googol with exactly three nonzero digits. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell