# 43257...22951 (1286-digits)

This number is a prime.

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(260708115+6*31232070)*3001#+1 is the 7th member of the largest
seven known prime numbers which form an arithmetic progression
of length 7 (as of 21 March 2003). The seven members are:
(260708115+k*31232070)*3001#+1 with k=0...6.
They have 1286 decimal digits each. Their common difference d is
d=31232070*3001#. [Fougeron and
Rosenthal]
Submitted: 2003-03-21 18:08:38; Last Modified: 2008-01-30 11:28:00.

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