10000...52807 (1000-digits)

This number is a prime.

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The smallest pair of titanic cousin primes is (10⁹⁹⁹ + 5352807, 10⁹⁹⁹ + 5352811). [Wesolowski]

Submitted: 2009-05-29 07:45:31; Last Modified: 2009-05-29 15:00:29.