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

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If the fraction 4/n is not equal to a sum of three distinct unit fractions, then each prime divisor of n must be congruent to 1 modulo 24. [Post]


  Submitted: 2009-12-15 17:30:16;   Last Modified: 2009-12-15 20:26:27.

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