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The nth Prime Page will now find any of the first 2.623˙10^{15} primes or
π(x) for x up to 10^{17}. Just showing those entries submitted by 'Rivera': (Click here to show all) 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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