809

This number is a prime.

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809 is the start of 21 consecutive primes which alternate between the forms 6n - 1 and 6n + 1. The smallest start of 22 such primes is the much larger 3954889. [Andersen]

Submitted: 2009-08-31 02:12:16; Last Modified: 2009-08-31 02:20:21.