21701

This number is a prime.

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The largest assigned 5-digit ZIP Code that is a Mersenne prime exponent. It belongs to Frederick, MD.

Submitted: 1999-12-18 16:31:24;   Last Modified: 2008-01-30 17:19:27.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell