The following sounds all right, but it is not always true. Give a counterexample.
Suppose that k is NOT a factor of m, and k is NOT a factor of n. Then k is NOT a factor of m + n.

Name: The following sounds all right, but it is not always true. Give a counterexample. Suppose that k is NOT a factor of m, and k is NOT a factor of n. Then k is NOT a factor of m + n.
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Quizplus · Accepted Answer

The Answer is There are many possibilities. For example, 3 is not a factor of 4, and 3 is not a factor of 2, but 3 is a factor of 4 + 2 = 6.

The Following Sounds All Right, but It Is Not Always