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11131...98397 (42-digits)

This number is a prime.

11 1317192329 3137414347 5359616771 7389798397

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The smallest prime formed by concatenating in some order all the distinct double-digit primes. [Loungrides]

Submitted: 2015-04-29 13:58:03; Last Modified: 2018-04-10 05:47:44.