The book is now available! 185617
(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)

+ phi(185617) = prime(1)*prime(8)*prime(5)*prime(6)*prime(1)*prime(7). The semiprime 185617 is the only known number (up to 10^8) with this property. [Firoozbakht]




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