16661...80191 (40-digits)

This number is a prime.

                                 1666116901 1666880101 1668188611 1669080191

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The smallest invertible prime formed from the concatenation of four consecutive bemirps, i.e., {1666116901, 1666880101, 1668188611, 1669080191}. [Bajpai]

Submitted: 2018-06-11 23:55:11;   Last Modified: 2020-06-18 13:04:23.
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