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Colt1911 [192]
3 years ago
6

What are the common factors of 15,45 and 90

Mathematics
1 answer:
Nookie1986 [14]3 years ago
3 0
List all the factors.

Factors of 15: 1, 3, 5, 15
Factors of 45: 1, 3, 5, 9, 15, 45
Factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

The common factors of 15, 45, and 90 are 1, 3, 5, and 15.
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Option A

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<em><u>Solution:</u></em>

Given that,

We have to find the greatest common factor

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<em><u>First find the GCF of numbers</u></em>

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Then the greatest common factor is 4

<em><u>Now find the GCF of variables</u></em>

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Here,

ab is the greatest common factor

Therefore, GCF of variables is ab

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