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6689 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The first occurrence of a twin prime pair (6689, 6691) that both are invertible primes. [Beedassy]
Submitted: 2009-01-04 23:41:15; Last Modified: 2009-01-07 06:09:26.
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