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21 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) Blackjack primes are separated by exactly 21 consecutive composite numbers. Note that the pair {1129, 1151} is the smallest example.
Submitted: 2000-05-31 22:25:22; Last Modified: 2008-09-22 21:22:36.
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