23511...36263 (502-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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The largest non- titanic prime formed from the concatenation of the first n Sophie Germain primes, i.e., {2, 3, 5, 11, ...., 6131, 6173, 6263}, (case n=138). [Gupta]

Submitted: 2019-05-30 01:34:56; Last Modified: 2019-05-30 11:39:55.