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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 45047*2^61819+1 is prime. Note that 45047=107*421 is a brilliant number and 61819 is a strobogrammatic prime. Also, if you sum the squared digits of 45047*2^61819+1 you get the prime 527851. [Earls]
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