The book is now available! 11687
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The only 2-sphenic number that can be represented as sum of products of n pairs of first consecutive odd numbers, (n=13), i.e., 1*3 + 5*7 + … + 49*51 = 11687 = 13 × 29 × 31. [Loungrides]




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