311
This number is a prime.
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Lesser of the first occurrence of a twin prime (311, 313)
such that sets of digits of both primes are equal. [Firoozbakht]
Submitted: 2009-08-23 03:17:55; Last Modified: 2009-08-23 11:55:14.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell