84.5k views
4 votes
What is the prime factorization of 45?

2×3×3

3×3×5

5×9

2×2×3×3

User Vini
by
8.7k points

2 Answers

3 votes
Answer B. 3×3×5 (or 3^2*5)

To prime factorize a number divide the number for the lowest divisor.

45 | 3
15 | 3
5 | 5
1
User Tsuki
by
8.4k points
5 votes
3 x 3 x 5 because the product of 3x3x5 is 45
User Thotwielder
by
7.6k points

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