The book is now available! 281
(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)

+ There are 281 triangular numbers on the 24-hour digital clock with seconds. [Gaydos]

+ 281 and 283 are the smallest prime twins that are consecutive distinct digit numbers. [Gaydos]

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