2090609914951

This number is a prime.

                                                              209 0609914951

+ The largest known prime (as of August 2018) where if all zeros are replaced by 1, 2, 3, ... 9, one replacement at a time, it remains a prime. Found by Jim Fougeron, 2002. [Rivera]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell