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The prime factors of 45 are 3 and 5.

Among the factors of 45, (3,5) and (5,9) are co-prime.

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12y ago
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10y ago

2 x 3 x 5 = 30

3 x 3 x 5 = 45

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12y ago

3 and 5

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9y ago

The GCF is 15.

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Q: What is the greatest common factor of 30 an 45?
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What is the greatest common factor for 30 and 45?

The GCF is 15.


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What is the greatest common factor for 30 45 75?

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