113137337

This number is a prime.

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The smallest 9-digit prime such that any substring of length 3 (for you know 9 factors into 3 * 3, hence the 3-digit substrings) yields only distinct primes (113, 131, 313, 137, 373, 733, 337). (cases with leading zeros rejected.) [De Geest]

Submitted: 2002-04-17 14:16:18; Last Modified: 2008-01-30 17:28:00.