The book is now available! 9331
(just those submitted by Firoozbakht)
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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 'Firoozbakht': (Click here to show all)

+ 9331 = prime((9*3*3*1)*(9+3+3+1)) - (9*3*3*1)*(9+3+3+1). Note that 9331 is the smallest number greater than one with this property. [Firoozbakht]

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