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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The sum of the squares of the first 25 (5^2) semiprimes is itself a semiprime (the third such sum), and is furthermore a brilliant number (this being the first such solution): 4^2 + 6^2 + 9^2 + 10^2 + 14^2 + 15^2 + 21^2 + 22^2 + 25^2 + 26^2 + 33^2 + 34^2 + 35^2 + 38^2 + 39^2 + 46^2 + 49^2 + 51^2 + 55^2 + 57^2 + 58^2 + 62^2 + 65^2 + 69^2 + 74^2 = 44377 = 199 * 223. [Post]
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