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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) A prime obtained by concatenating in descending order the decimal equivalents of the true minterms in the 3variable Boolean function F(a,b,c)=abc'+ab'c+a'bc. [Necula] This prime can be expressed as the sum of squares of five consecutive primes: 5^2 + 7^2 + 11^2 + 13^2 + 17^2. [Patterson] The first threedigit prime number to occur in the decimal expansion of . The only known prime where 5 is neither a primitive root nor a quadratic residue of 4n^{2} + 1 [Gudipati]
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