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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) There are 9 ways to express 99 as p + 2q, where p and q are prime. [Hodges] The 99th prime plus (9+9) is the next prime. 99 = ( prime(9)*prime(9) ). Note that 99 is the only twodigit number with this property. [Firoozbakht] 99!/(99)! + 1 is prime. [Firoozbakht]
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