[net.math] Mersenne Oops...

doug@arizona.UUCP (10/21/83)

Line 2 should read ((2^n)-1)*(2^(n-1)) is perfect if (2^n)-1 is prime.  It
would be very nice if Euclid, Bachet de Mezirac, et al had proven this in
both directions rather that  the "if" case only...

My appologies
                                                  Pase