12482...31393 (24-digits)

This number is a prime.

                                                  1248 2915311373 1171731393

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An exterior truncatable prime. Take digits off at each end until you get down to two digits. All subsequent steps are primes. [Patterson]

Submitted: 2003-11-13 02:01:28;   Last Modified: 2008-01-30 17:19:33.
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