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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) 12 is the smallest composite number whose sum of digits, product of digits and the sum of the sum of digits and product of digits are all prime. [Gevisier]
Submitted: 19990902 18:40:00; Last Modified: 20080130 11:28:00.
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