73

This number is a prime.

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The smallest multidigit prime partial sum of deficient numbers: 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 + 10 + 11 + 13 = 73 is prime. [Post]

Submitted: 2010-02-11 18:34:38; Last Modified: 2010-02-11 22:56:25.