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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Just showing those entries submitted by 'Green': (Click here to show all) The 5th centered decagonal number (numbers of the form 5(n^2  n) + 1). [Green]Something 101 (pronounced 'oneohone') in popular slang is the beginning or introductory lessons required for any understanding, as in 'Home Buying 101' or 'Prime Numbers 101'. [Green] 101 (base b) is a nearsquare number in every base b and it is conjectured that there are infinitely many bases for which 101 is prime. [Green]
(There are 2 curios for this number that have not yet been approved by an editor.)
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