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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The larger known prime of the form P(m^2 + 1) = n^2 + 1 for m = 2015 and n = 8304. There are two smaller known and no others up to n = 2000000. See Puzzle 505. [Rivera]
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