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Single Curio View: (Seek other curios for this number) prime(309)^309 + 2 is prime. With the exception of 309, all known such numbers (up to 10000) are the first three primes. [Firoozbakht]
Submitted: 2009-06-14 23:35:09; Last Modified: 2009-07-09 06:56:50.
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