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Black_prince [1.1K]
3 years ago
8

9. Which of the following groups of numbers are all prime numbers? O A.3. 11, 23, 31 OB.7. 17. 29. 49 OC. 2,3,5, 9 D.2, 5, 15, 1

9​
Mathematics
2 answers:
Luden [163]3 years ago
7 0

Answer:

Prime numbers are those that cannot be divided by another number (other than themselves and 1). In other words, prime numbers have factors of themselves and 1.

For example, 3 is a prime number because its only factors are 3 and 1.

6 is not a prime number because it can be factored to 3*2.

Therefore, the correct answer is a. 3,11,23,31

Hope it helps

Please me as brainliest

Thank you

stepladder [879]3 years ago
5 0

Answer:

The answer would be A.

Hopes this you. Have a good day!!

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