3 years ago

What is the prime factorization of 45? 2×3×3 3×3×5 5×9 2×2×3×3

2 answers:

7 0

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

MariettaO [177]3 years ago

3 0

3 x 3 x 5 because the product of 3x3x5 is 45

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The complete sentence should be:

Composite numbers can be written as a product of prime factors. This is called the prime factorization of a number.

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/ \
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