The book is now available! 22
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The divisors of the 22 can be added to 22 in various combinations to form a larger semiprime, e.g., 22+1+2=25=5*5, 22+11=33=3*11, 22+11+1=34=2*17, 22+11+1+2=35=5*7, 22+22+11=55=5*11 and 22+22+11+2+1=58=2*29. Is there another semiprime that can produce more than six ways? [Bergot]


  Submitted: 2019-01-11 14:55:18;   Last Modified: 2019-01-13 16:11:43.

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