The book is now available! 268
(just those submitted by Opao)
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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 'Opao': (Click here to show all)

+ 268 inches of 1/8 inch copper wire weighs 1 pound. Also, 268*8-1 is prime. [Opao]

+ The product of 268 and the sum of its digits plus one is prime. I.e., 268*(2+6+8) + 1 is prime. [Opao]




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