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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Single Curio View: (Seek other curios for this number) 807 is the smallest proven coefficient k such that a) k*2^n+1 & k*2^n1 are never twin primes; b) k*2^n1 & k*2^(n+1)1 are never Sophie Germain primes (personal communication from Wilfrid Keller, 20 April 2004). [Rivera]
Submitted: 20040420 11:51:21; Last Modified: 20080130 11:28:00.
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