10000000097

This number is a prime.

1 0000000097

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The smallest naughty prime that remains prime after deleting any digit. The primes produced are 97 along with naughty twin primes 1000000007 and 1000000009. [Gudipati]

Submitted: 2026-05-17 02:08:39; Last Modified: 2026-05-17 13:10:28.