The book is now available! 8191
(just those submitted by Pimentel)
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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 'Pimentel': (Click here to show all)

+ There is only one prime less than 8191 that is also a repunit in three bases. Can you find it? [Pimentel]

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