141098641
This number is a prime.
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The smallest prime formed from the concatenation in reverse order of
first n positive non-prime numbers that consist of non-prime digits,
(case n=7), i.e., 14, 10, 9, 8, 6, 4, 1. [Loungrides]
Submitted: 2015-06-21 15:48:21; Last Modified: 2018-12-27 14:01:13.
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