1447

This number is a prime.

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Earliest case whereby a prime p divides the concatenation of prevprm(p), (p) and nextprm(p) or 143914471451 which is equal to 1447 * 99457133. [De Geest]

Submitted: 2002-01-13 23:06:17; Last Modified: 2008-01-30 17:28:00.