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5 is a prime number and an odd number. Conjecture: All prime numbers are odd numbers. Which of the following numbers is a counterexample for the given conjecture?A.

1

B. 2 C. 3 D. 4
User Samatha
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2 Answers

7 votes
B and C. 3,2, and 1 these are prime numbers because neither of them can be divided by two.
User Jitu Shinde
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5 votes
The answers are A. B. and C.

User Frank Vilea
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