The book is now available! 8888
(just those submitted by Bajpai)
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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 'Bajpai': (Click here to show all)

+ The only four-digit repdigit such that the sum of itself and all truncations of itself minus one, i.e., 8888+888+88+8 - 1 = 9871 is an emirp. [Bajpai]

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