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(just those submitted by Ballinger)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Ballinger': (Click here to show all)

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+ 47 * 2583 + 1, 47 * 21483 + 1 and 47 * 26115 + 1 are the only known primes of the form 47 * 2n + 1. [Ballinger and Keller]




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