99444...98999 (24-digits)

This number is a prime.

                                                  9944 4966988999 9496698999

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The smallest prime formed from the concatenation of composite digits in order of their appearance in the first primes. [Silva]

Submitted: 2019-02-06 04:38:21;   Last Modified: 2019-02-06 06:35:32.
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