1407727

This number is a prime.

+

1407727
1105407727
1105105407727
1105105105407727
1105105105105407727
1105105105105105407727
1105105105105105105407727
1105105105105105105105407727
1105105105105105105105105407727
1105105105105105105105105105407727
A "multiple-choice" prime pattern of length 10 found by Inder J. Taneja.

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