The book is now available! 31139
(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)

+ 31139 = (pi(3!) + pi(1!) + pi(1!) + pi(3!) + pi(9!)) + (pi(3!2) + pi(1!2) + pi(1!2) + pi(3!2) + pi(9!2)). Note that prime 31139 is the only odd number with this property. [Firoozbakht]




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