The book is now available! 2357
(just those submitted by Gaydos)
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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 'Gaydos': (Click here to show all)

+ The polynomial (-X^3 + 9*X^2 - 14*X + 18)/6 produces 2, 3, 5, 7 for x = 1, 2, 3, 4. [Gaydos]

+ The 7 in 2357 is the 666th 7 to appear in a positive integer. [Gaydos]

(There are 3 curios for this number that have not yet been approved by an editor.)




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