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This number is a prime.
Single Curio View: (Seek other curios for this number)8191 Mersenne (1993 OX9) is an asteroid discovered on 20 July 1993, by Eric Walter Elst at La Silla Observatory.
Submitted: 2012-04-01 18:48:19; Last Modified: 2012-04-25 21:11:56.
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