42424...42421 (4135-digits)
This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
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2067 42s and a 1 is Fermat and Lucas PRP. [Earls]
Submitted: 2004-08-21 20:23:42; Last Modified: 2008-01-30 17:28:00.
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