67

This number is a prime.

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If A = 1, B = 6, C = 1, D = 8, ... , (using the digits of the Golden Ratio), then 'MARIN MERSENNE' = 67; a prime exponent that he himself believed would produce a Mersenne prime number, but which later was proved to be composite [Homewood]

Submitted: 2018-04-27 12:45:40;   Last Modified: 2018-04-27 13:40:39.
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