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

Math 
Count Iblis,
phi(666) =
2x3^2x37 1/(2x3x37) x (21)x (31)x(371) =
3 x 2 x 36 = 216
Posted by Jonathan on .
Noting that 666=2x3^2x37, find phi(666) using Euler Theorem.
phi(666) =
2x3^2x37 1/(2x3x37) x (21)x (31)x(371) =
3 x 2 x 36 = 216