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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 54621 is prime if 10^1, 10^2, 10^3, ..., or 10^9 is added to it. This is the smallest number with this property to form a chain of 9 consecutive primes of form 10^i + n, i = 1, 2,... 9. It is followed by 3726723, 5893321, 6379401, .... [Vrba]
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