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4649 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The smallest composite-digit prime whose prime factors of its digits form another prime when they are concatenated left-to-right. [Honaker]
Submitted: 2000-06-23 09:32:30; Last Modified: 2010-12-13 11:18:13.
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