40608...20321 (749-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

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The smallest prime formed by concatenating the first n composites with "0" between them. [Sariyar]

Submitted: 2020-08-13 23:38:54; Last Modified: 2020-08-13 23:45:19.