The book is now available! 72335
(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)

+ 72335 is the largest integer such that it and its square, 5232352225, both use only prime digits. Found by Zak Seidov. [Rivera]




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