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11112222222222222222211 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) R(23) + R(19) - R(2) is prime. Note that R(2), R(19), and R(23), are the first three repunit primes. [Wesolowski]
Submitted: 2008-01-08 14:33:19; Last Modified: 2008-01-30 11:28:00.
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