83777

This number is a prime.

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The largest of six consecutive primes of form p^4+4^4, where p are consecutive odd primes: 3, 5, 7, 11, 13, 17, i.e., 83777 = 17^4 + 4^4. Is there a larger chain? [Loungrides]

Submitted: 2013-12-28 03:25:35;   Last Modified: 2020-07-15 11:47:31.
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