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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 13741 is the smallest natural number n such that both n and n+6 are pseudoprimes to base 2. There are only 2 such pairs < 10^13 and one may call them "sexy pseudoprimes" just like 4369 & 4371 are called "twin pseudoprimes." [Yosei]
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