155161
This number is a prime.
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155161#*22405 + 1 is the largest known
PrimoProth prime, where p is a prime with a prime number (67961) of digits, as of fall 2008 (computed by Didier Boivin). [Beedassy]
Submitted: 2008-10-29 09:03:13; Last Modified: 2008-11-02 13:40:17.
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