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

+ A prime with circled digits. Double each 0 for another prime, 8009009; triple them for another prime, 800090009; and quadruple them for yet another prime, 80000900009. [Punches]




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