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Select the best answer for the question. 3. Which of the following groups of numbers are all prime numbers? OA. 2, 5, 15, 19 OB. 3, 11, 23, 31 OC. 2, 3, 5, 9 OD. 7, 17, 29, 49
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Select the best answer for the question.

3. Which of the following groups of numbers are all prime numbers?
OA. 2, 5, 15, 19
OB. 3, 11, 23, 31
OC. 2, 3, 5, 9
OD. 7, 17, 29, 49

User Egorulz
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1 Answer

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Ob. 3,11,23,31
They are prime numbers
User Collin Flynn
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