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12 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The only number such that n ± 1 , n/2 ± 1 and n/3 ± 1 are all primes. [Murthy]
Submitted: 2002-02-11 13:23:44; Last Modified: 2008-01-30 11:28:00.
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