40140...67479 (42-digits)

This number is a prime.

                              40 1409419421 4314334394 4344945746 1463467479

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

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

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