The book is now available! 5187417
(just those submitted by Rivera)
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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 'Rivera': (Click here to show all)

+ 5187417 is the largest composite that produces seven primes after a digit (one at a time) is dropped: 187417, 587417, 517417, 518417, 518717, 518747, 518741. Found by Wilfrid Whiteside. [Rivera]

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