The book is now available! 193625507
(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)

+ The vampire number 136607905159255237 is equal to 193625507*705526391, a prime and its reversal. This is the smallest solution of its class. By J. C. Rosa. [Rivera]

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