3 years ago

Which of the following is a PRIME factor of 180? A. 7 B. 4 C. 5 D. 9

Mathematics

2 answers:

QveST [7]3 years ago

6 0

Answer:

Step-by-step explanation:

4 and 9 are composite numbers, so that automatically rules them out. The last two Prime numbers are 7 & 5, right?

180/7 = 25.71 - Since this ends up being a decimal, it cannot be a factor.

180/5 = 36

5 is both a prime number, and it factors evenly: this makes 5 the correct answer.

Hope I could help!

adelina 88 [10]3 years ago

5 0

Answer:

Step-by-step explanation:

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