The book is now available! 241
(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)

+ 241 is the only number m such that prime(m) = pi(m * pi(m)). [Firoozbakht]

+ The largest known prime p such that the reversal of (p! + p) is prime. [Firoozbakht]




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