20000...00007 (61-digits)

         2 0000000000 0000000003 0000000000 0000000005 0000000000 0000000007

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

+ Consecutively, the first 4 single digit primes, separated by 19 zeros each is a prime of prime length and having prime digital sum. [Patterson]

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