25692...21601 (42-digits)

This number is a prime.

                              25 6923577521 0588780886 1147722423 5621321601

Just showing those entries submitted by 'Patterson': (Click here to show all)

+ A prime number expressed as 7^7^7 - 6. [Patterson]

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