Thread: abstract algebra
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Old September 28th, 2008, 06:49 PM
dori1123 dori1123 is offline
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Default abstract algebra
|x| = order of x

Assume |x|=n and |y|=m. Suppose that x and y commute: xy = yx. Prove that |xy| divides the least common multiple of m and n.

Can anyone help?
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