19191...97979 (1000-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

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A titanic prime formed by the concatenation of 8 primes p (19, 29, 31, 89, 83, 73, 97 and 79), each one repeated p-times. [Rivera]

Submitted: 2019-03-30 14:14:08; Last Modified: 2019-03-30 16:04:27.