463
This number is a prime.
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The only distinct-digit 3-digit prime which remains a prime after a prime digit is subtracted from any of its digits or from all of its digits simultaneously, i.e., 263, 443, 461, 241. [Loungrides]
Submitted: 2017-08-11 18:38:14; Last Modified: 2017-12-22 02:01:36.
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