This number is a composite.
Single Curio View: (Seek other curios for this number)Smallest number n such that 2*n^k+1 and 2*n^k-1 are both are not prime for all k <= 10000. [Luen]
Submitted: 2015-09-20 09:28:52; Last Modified: 2019-05-01 16:43:59.
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