12233...33221 (469-digits)

This number is a prime.

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122333*10^463+333221 is prime. Note that 122333*10^1877+333221 is a Fermat and Lucas PRP. [Earls]

Submitted: 2004-07-26 13:01:38;   Last Modified: 2008-01-30 11:28:00.
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