3727177

This number is a prime.

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The smallest prime formed by concatenating in descending order the first n consecutive numbers ending with 7, (case n=4, i.e., 37, 27, 17, 7). [Loungrides]

Submitted: 2017-04-03 02:41:39;   Last Modified: 2018-12-06 15:20:17.
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