21122...51257 (27-digits)

This number is a prime.

2112232 2722923323 9241251257

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211223227229233239241251257 is the smallest prime formed by concatenation of nine increasing consecutive primes (211,223,227,229,233,239,241,251,257). [Mortreuil]

Submitted: 2004-07-08 12:21:04; Last Modified: 2008-01-30 17:28:00.