Hi can someone help me with this question, "Give a brief argument to show that phi(n) is even for all n>2"
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Originally Posted by BruceBronson Hi can someone help me with this question, "Give a brief argument to show that phi(n) is even for all n>2" If then . If and an odd prime divisor of it we can write where not divisible by . Then . Thus, which is even. Now finish the argument. This is Mine 72th Post!!!
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