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(just those submitted by Astle)
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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 'Astle': (Click here to show all)

+ The length of the side of a basic pantactic square (see Brian Astle, "Pantactic Squares" Math Gazette 1965, pp.144-52). [Astle]




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