The book is now available! 163117
(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)

+ 2 + 3 + 5 + 7 + 11 + ... + 163117 can be divided by exactly 8 distinct primes that are less than 163117. Can you find a sum of primes that is divided by exactly 9 or more distinct primes in this manner? [Gaydos]




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