1301476963
This number is a prime.
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The smallest 10-digit emirp that remains an emirp after rightmost digits are omitted two at a time. [Honaker]
Submitted: 2009-09-19 21:04:05; Last Modified: 2015-02-20 20:15:33.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell