Get the answer to "What are the prime factors of 45?"

Carol Valentine Answered2021-12-29

What are the prime factors of 45?

Answer & Explanation

stomachdm Expert2021-12-30Added 33 answers

Explanation:If I know a quick math fact, I like to start with that when working with prime factors:

45 = 9 \times 5

5 is prime but 9 is not:

45 = 3 \times 3 \times 5

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

Bob Huerta

Expert

2021-12-31Added 41 answers

Explanation:
Prime numbers from 0 - 10 are: 2,3,5,7.
Lets divide 45 in the short division method using prime numbers only.

\frac{45}{5} \Rightarrow \frac{9}{3} \Rightarrow \frac{3}{3} \Rightarrow 1

therefore factors of 45 are:

5 \cdot 3 \cdot 3

Vasquez

Expert

2022-01-08Added 457 answers

prime factorisation? As in prime factors of a number?
$45 = 9 \times 5$
$\Rightarrow 3 \times 3 \times 5$

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