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222222277 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) Seven 2's followed by two 7's is prime. Note that seven plus two is also its length. [De Geest]
Submitted: 2004-02-08 12:40:46; Last Modified: 2008-01-30 11:28:00.
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