The book is now available! 47
(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)

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+ Prime numbers that end with "47" occur more often than any other 2-digit ending among the first one billion primes. [Gaydos]

+ The sum of the first 47 positive integers with digits in strictly ascending order is divisible by 47 (2350/47=50). The next and largest such prime is 383 (1848741/383=4827). [Gaydos]

+ 47 (exactly half) of the first 94 prime numbers each has at least one prime twin. [Gaydos]

(There are 2 curios for this number that have not yet been approved by an editor.)

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