This number is a prime.
Single Curio View: (Seek other curios for this number)The only known prime x such that 2^x+3^x, 2^x+5^x, 2^x+7^x are all primes, i.e., 13, 29, 53. [Loungrides]
Submitted: 2018-03-12 14:27:09; Last Modified: 2018-04-03 06:39:40.
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