# Perfect Number

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• February 15th 2009, 06:27 PM
VENI
Perfect Number
Show that $2^{p-1}(2^p - 1)$ is a perfect number when $2^p -1$ is prime. A perfect number is when the sum of its divisors other than itself add up to the number.
• February 15th 2009, 07:08 PM
o_O
Done here: Perfect Numbers