1957

This number is a composite.

Single Curio View: (Seek other curios for this number)

1957 was the year the Cullen number C141 was proved to be prime (the first Cullen prime after the first Cullen number).

Submitted: 2003-12-26 10:36:03; Last Modified: 2008-01-30 17:28:00.

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