127012901

This number is a prime.

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The smallest Honaker prime of the form a^2+1. Note that it is also a Sophie Germain prime and the smaller of a twin prime pair. A Honaker emirp of the form a^2+1 that is simultaneously a Sophie Germain prime and the smaller of a twin prime pair has yet to be found. [Sariyar]

Submitted: 2020-06-30 12:57:49;   Last Modified: 2020-06-30 13:32:55.
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