67

This number is a prime.

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The smaller of only two non-titanic primes of form n^(n-1)+(n-1) for n a composite number, (case n=4), i.e., 4^3+3. The other prime is for n=10. [Loungrides]

Submitted: 2018-09-24 06:39:14;   Last Modified: 2018-12-24 08:27:30.
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