192

This number is a composite.

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The only 3-digit compositorial number n, (192 = 4*6*8), such that (n-1, n+1) is a twin prime pair, i.e., (191, 193). [Loungrides]

Submitted: 2020-07-05 12:39:13;   Last Modified: 2020-07-05 14:20:57.
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