25717

This number is a prime.

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The larger of two primes that can be represented as the reverse concatenation of two consecutive Fermat primes, (257, 17). The other is 53 that is the reverse concatenation of first two Fermat primes. [Loungrides]

Submitted: 2015-02-12 06:31:21;   Last Modified: 2019-08-17 09:09:05.
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