127012901

This number is a prime.

Just showing those entries submitted by 'Sariyar': (Click here to show all)

+ 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]

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