635365536563

This number is a prime.

                                                               63 5365536563

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The only Sophie Germain prime p that is the concatenation of three consecutive 4-digit Honaker primes in ascending order: {6353||6553||6563}. Note that each digit in p appears exactly 4 times. [Bajpai]

Submitted: 2021-02-20 06:10:38;   Last Modified: 2021-02-20 09:58:24.
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