This number is a prime.
Single Curio View: (Seek other curios for this number)The smallest positive integer n for which 1n, 2n, 3n, 4n, and 5n each contains all four prime digits. [Gaydos]
Submitted: 2020-07-14 20:28:39; Last Modified: 2020-07-15 11:32:54.
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