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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) 987 is the only 3digit number with consecutively decreasing digits such that when multiplied by the sum of its digits plus and minus one, the results are primes. I.e., 987*(9+8+7)1 and 987*(9+8+7)+1 are primes. [Opao]
Submitted: 20031119 21:14:28; Last Modified: 20080130 11:28:00.
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