153

This number is a composite.

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The smaller member of a Ruth–Aaron pair; since the prime factors of 153 are 3 and 17, and the prime factors of 154 are 2, 7, and 11. Finally, 3 + 17 = 2 + 7 + 11. [Luen]

Submitted: 2016-02-20 14:49:22; Last Modified: 2018-04-03 16:21:10.