The book is now available! 23
(just those submitted by Luhn)
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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 'Luhn': (Click here to show all)

Kristen Eller ©2002
+ 23 is the only known number p where Rp is a repunit prime, 10^p-p is prime, and p is a prime factor of a Mersenne number with repunit exponent. I.e., 23 is factor of 2^11-1. [Luhn]

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