# Prove the statements that are true and give counterexample

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Prove the statements that are true and give counterexample to disprove those that are false.

For all integers n, if n is prime then (-1)^n=-1

(READ:...then (-1) to the n power equal -1)

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##### Solution Summary

The expert proves the statements that are true and give counterexamples to disprove the function. The true propositions are found.

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If n is prime, then n cannot be even, because if it were even, it would have a factor ...

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