The book is now available! 21143...89407 (13660-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ 40233*2^45360-1 is prime. Note that 45360 is a highly composite number with exactly 100 divisors. Also, if you sum the squared digits of 40233*2^45360-1 you get the prime 393683. [Earls]

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