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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 'Gallardo': (Click here to show all) The sum of digits of the sum of 13 first primes (238) is 13 (prime) and the sum of digits of the sum of 19 first primes (568) is 19 (prime). Note that 1913 is also prime. [Gallardo]
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