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7 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) (77 + 777)/(7 + 7) = 61 is prime. Note that seven 7's are used and 6 + 1 = 7. [Poo Sung]
Submitted: 2002-02-15 20:27:08; Last Modified: 2009-01-18 17:23:33.
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