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This number is a prime.
Single Curio View: (Seek other curios for this number)283 is the smallest prime p such that the any divisor of p-1 or p+1 added to p produces no prime. Is 283 the largest prime that qualifies? [Bergot]
Submitted: 2021-12-13 00:03:41; Last Modified: 2021-12-13 00:09:41.
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