This number is a prime.

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The prime p that is the sum of the cubes of first three Mersenne primes, i.e., (3^3 + 7^3 + 31^3). Curiously, p is also expressible as the sum of two squares: (169^2 + 40^2). [Bajpai]

Submitted: 2018-12-08 15:26:21;   Last Modified: 2018-12-08 17:05:46.
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