The book is now available! 53
(just those submitted by Caldwell)
Prime Curios!
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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 'Caldwell': (Click here to show all)

+ pi(53) = 52 - 32. [Caldwell]

+ The United States allows the use of 53-foot trailers behind a semi-tractor (called a "prime mover" in Australia). [Caldwell]

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