14990...21993 (27-digits)

This number is a prime.

1499071 1477627434 1482621993

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149907114776274341482621993 is the concatenation in increasing order of the prime factors of 25!-1 and with 2 less forms a twin-prime pair. [Galliani]

Submitted: 2019-04-08 21:19:43; Last Modified: 2019-04-08 22:10:53.