What are the prime factors of 45?

Answer 1

5,3.

Let's use the short division method to divide 45 using only prime numbers. The prime numbers ranging from 0 to 10 are: 2, 3, 5, 7.

#45/5 ->9/3 ->3/3 ->1#

Consequently, 45's factors are:

#5*3*3#

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Answer 2

Gabriel Agustin

#45=3xx3xx5#

When doing prime factors, I like to start with a quick math fact I know (if I know one) and start there:

#45=9xx5#

5 is prime but 9 is not:

#45=3xx3xx5#

3 and 5 are both prime and so we're done

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Answer 3

Riley Anderson

The prime factors of 45 are 3 and 5.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.