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March 8, 2014

# Homework Help: Math

Posted by Jonathan on Thursday, August 2, 2012 at 1:43am.

Noting that 666=2x3^2x37, find phi(666) using Euler Theorem.

• Math - Count Iblis, Thursday, August 2, 2012 at 5:23pm

phi(666) =

2x3^2x37 1/(2x3x37) x (2-1)x (3-1)x(37-1) =

3 x 2 x 36 = 216

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