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843753 x 222222 ± 1 is a 6696-digit twin prime pair found by Rivera and Gallot in 1997. It was the first time that a twin prime found using Proth.exe by a solitaire prime-hunter hit the Top Ten Table of twin-primes (2nd place), compiled by C. Caldwell. [Rivera]

Submitted: 2000-01-05 23:29:23;   Last Modified: 2019-04-06 17:19:54.
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