The book is now available! 27742151
(just those submitted by Caldwell)
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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 'Caldwell': (Click here to show all)

+ The start of the smallest prime quadruplet such that the sum of any three is prime: {27742151, 27742153, 27742157, 27742159}. [Caldwell]

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