40140...67479 (42-digits)

This number is a prime.

40 1409419421 4314334394 4344945746 1463467479

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The largest prime formed from the ordered concatenation of first n 3-digit primes beginning with 4, (case n=14). [Loungrides]

Submitted: 2020-06-29 07:17:13; Last Modified: 2020-06-29 13:32:54.