133

This number is a composite.

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133 is the smallest positive integer, n, for which the integer 10n + 5 is divisible by both 3 and 5 and for which none of the integers 10n + 1, 10n + 3, 10n + 7, and 10n + 9 are prime. [Litman]

Submitted: 2001-12-02 21:03:15; Last Modified: 2008-01-30 17:28:00.