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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 693 is the index of smallest prime p such that the concatenation of 1000 consecutive primes beginning with p is prime, i.e., p(693).p(694).p(695)...p(1692) is prime. Note that the resulting prime contains 4463digits. [Firoozbakht]
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