76365...99999 (513-digits)

This number is a prime.

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The smallest prime which may be written as 2a^2-1 and as 3b^3-1 and as 5c^5-1 and also as 7d^7-1 [Hartley]

Submitted: 2003-02-19 06:45:51; Last Modified: 2008-01-30 17:28:00.