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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Single Curio View: (Seek other curios for this number) The largest natural number n such that the sum of the digits of n^{2} is not smaller than n/2. [Capelle]
Submitted: 20090918 04:54:43; Last Modified: 20090918 06:37:19.
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