This number is a prime.
Single Curio View: (Seek other curios for this number)The second smallest and largest known Mersenne prime exponent which exceeds the sum of all smaller ones. The only other known number with this property is 521. [Terr]
Submitted: 2005-01-04 18:26:00; Last Modified: 2008-01-30 11:28:00.
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