This number is a prime.

                                                              100 0000999999

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The largest emirp less than a googol formed by concatenating two consecutive numbers of the form 10^n and 10^n-1 (case n=6). [Loungrides]

Submitted: 2015-11-30 05:27:18;   Last Modified: 2018-04-26 07:32:11.
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