66

This number is a composite.

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The smallest number that can be expressed as a sum of two primes in six different ways, i.e., 66 = 5+61 = 7+59 = 13+53 = 19 + 47 = 23+43 = 29+37. [Loungrides]

Submitted: 2011-09-10 08:37:05; Last Modified: 2026-02-06 12:54:11.