20000...00007 (61-digits)

This number is a prime.

2 0000000000 0000000003 0000000000 0000000005 0000000000 0000000007

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The first four successive prime-digit primes separated by nineteen zeros each is a prime of prime length and prime sum of digits. [Patterson]

Submitted: 2003-03-21 21:14:04; Last Modified: 2020-06-25 17:09:05.