The book is now available! 41
(just those submitted by Hartley)
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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 'Hartley': (Click here to show all)

Brittany Finch © 2004
+ A prime number of length 41 can be constructed by concatenating the exponents of the first consecutive Mersenne primes, separated by 0's. (Hint: the number of exponents used is the reversal of 41.) [Hartley]

+ There are 41(41-1) ways to write 41 as a sum of Fibonacci numbers. [Hartley]

+ 41 is the first prime element of the Goodstein sequence starting with four. [Hartley]

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