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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Just showing those entries submitted by 'Poo Sung': (Click here to show all)
17 = 2+3+5+7 is the smallest emirp among sums of consecutive primes. Note that the reverse 71 = 19+23+29 is also such a prime. [Poo Sung] There are 17 standardform types of quadratic surfaces (quadrics). [Poo Sung] The smallest prime p such that p#+1 and p#1 are both composite. [Poo Sung]
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