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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) (7, 11, 13, 17, 19, 23) is the only known set of six consecutive primes such that the average of every two consecutive 4th powers is prime. The largest of them is 205081=(19^4+23^4)/2. [Loungrides]
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