This number is a composite.
Single Curio View: (Seek other curios for this number)665 - 5 is the smallest prime of the form ac - b, where b = a - 1. Note that c is the concatenation of a and b. [Kulsha]
Submitted: 1999-09-04 13:48:26; Last Modified: 2008-01-30 11:28:00.
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