The book is now available! 71263
(just those submitted by Gaydos)
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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 'Gaydos': (Click here to show all)

+ The 1026th emirp (71263) and the 1026th Sophie Germain prime (84509) are the only nth emirp and nth Sophie Germain prime that together contain the ten digits exactly once each. [Gaydos]

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