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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 'Rupinski': (Click here to show all) Let this prime be P. Then P, Q=2P1, and R=4P3 form the smallest Cunningham chain of length 3 (2nd kind) such that P mod N = Q mod N = R mod N = 1 for all N < 2^8. [Rupinski]
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