The book is now available! 2281
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest prime number which is a sum of distinct multidigit primes beginning and ending with the digit seven: 2281 = 727 + 757 + 797. [Capelle]

+ Index p of the largest known perfect number 2p - 1(2p - 1) having both a prime subscript (17) and a prime number of digits (1373). [Beedassy]

+ The only known Mersenne prime exponent whose product of digits is a power of two (2*2*8*1 = 2^5). [Arf]

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




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