2273

This number is a prime.

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2273 = 3*7 + 7*11 + 13*17 + 19*23 + 37*41, where each of those products is of a pair of "Cousin primes" (pair of primes of the form n and n+4). Note that 2273 is prime. [Post]

Submitted: 2004-10-09 17:25:43; Last Modified: 2008-01-30 17:28:00.