Q: The factor tree for 60 has all of the factor tree for 15 and 30 but why not 45?

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15 and 30 are factors of 60. The factors of 60 include the factors of 15 and 30. 45 is not a factor of 60.

Because 45 is not a factor of 60.

Since 15 is a factor of 30, all of its factors are common.

Because 45 is not a factor of 60, whereas 15 and 30 are.

No, 30 is a multiple of 15.

Since 15 is a factor of 30, it is automatically the GCF of 15 and 30.

Since 15 is a factor of 30, it is automatically the GCF.

Since 15 is a factor of 30, it is automatically the GCF.

It can be. 15 is a factor of 30 and others.

5 is the greatest solid factor of 15, 30 and 50.

The GCF of 5, 15, and 30 is 5. Since 5 is a factor of both 15 and 30, it must be the GCF.

15

The last branch of any factor tree of 30 will always be 2, 3 and 5 in some order.

No. 24 has 3 as a factor. 30 has 15 as a factor.

The greatest common factor of 15, 24, and 30 is 3

The greatest common factor of 30, 75, and 90 is 15

15 is a number greater than 10 and a factor of 30.

The greatest common factor of 15 and 30 is 15.

The GCF of 15, 30, and 45 is 15.

The GCF of 15, 30, and 90 is 15

The greatest common factor of 60, 45, 30 would be 15. This is because all these numbers easily divide by 15. 60/15=4 45/15=3 30/15=2 Although these numbers are also all divisible by 5, 15 is greater than 5 making it the greatest common factor

15 and 15000 have a greatest common factor of 15

Yes, 15x2=30

15

The GCF is 15.

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