44444...46689 (666-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 composite-digit Apocalypse prime that contains all the composite digits. Note that it ends with a 6-digit prime, i.e., 846689. [Bajpai]

Submitted: 2018-03-31 16:27:22; Last Modified: 2018-03-31 18:42:16.