Mathematics, 13.08.2020 18:01, frenchpotaetoes3702

Show the following conjectures are false by finding a counterexample. 13. All prime numbers are odd.

14. If the product of two numbers is positive, then the two numbers must both be positive.

15. If the sidewalk is wet, then it has been raining.

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Show the following conjectures are false by finding a counterexample. 13. All prime numbers are odd...