1700000000071

This number is a prime.

170 0000000071

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1700000000071 is a Republican prime, i.e., a prime such that the right half of the prime is prime and the left half is not - ignoring the middle digit. Note the emirp pair on the ends. [Phillip]

Submitted: 2013-07-08 00:44:13; Last Modified: 2023-10-13 17:34:59.