2267

This number is a prime.

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The only prime less than a googol of form p^a-(q^b+r^c) where (p, q, r) are three successive primes p > q > r and a, b, c their orders, i.e., 7^4-(5^3+3^2). [Loungrides]

Submitted: 2015-12-06 13:04:18;   Last Modified: 2018-04-08 01:14:52.
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