This number is a prime.

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The only emirp of form a^b + c^d, where the bases are distinct prime digits and the exponents are distinct composite digits, i.e., 2^8+3^4. Alternating the exponents, i.e., 2^4+3^8 we take the prime 6577. [Loungrides]

Submitted: 2018-06-20 09:25:40;   Last Modified: 2018-10-24 06:50:42.
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