20179...48193 (10154-digits)

This number is a prime.

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As of November 2005, the largest known cousin primes (p, p+4) have
p = (9771919142*((53238*7879#)^2-1)+2310)*53238*7879#/385+1. [Fleuren , Alm , Andersen]

Submitted: 2006-01-03 04:08:16; Last Modified: 2008-01-30 17:28:00.