This number is a prime.

                                                          4444444 6666688899

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The smallest prime that is a concatenation of composite-digit repdigit numbers repeated a prime number of times each, i.e., seven 4’s, five 6’s, three 8’s, and two 9’s. [Loungrides]

Submitted: 2015-05-08 01:07:27;   Last Modified: 2018-04-08 01:41:18.
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