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Factor them.

3 x 5 = 15

2 x 2 x 2 x 5 = 40

Select the common factor.

The GCF is 5.

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12y ago
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11y ago

HCF of 15 and 45 is 15

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7y ago

The greatest common factor is five.

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10y ago

The GCF is 5.

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Q: How do you get the factor of 15 45?
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Related questions

What is the greatest common factor of 45 and 15?

The GCF of 15 and 45 is 15Since 15 is a factor of 45, and 15's largest factor cannot be larger than itself, the greatest common factor of 15 and 45 is 15.Since 15 is a factor of 45, it is automatically the GCF.15


What is the factor of 15 plus 45?

The highest common factor of 15 and 45 is 15


The greatest common factor of 15 and 45?

Since 15 is a factor of 45, and 15's largest factor cannot be larger than itself, the greatest common factor of 15 and 45 is 15.


What is the LCM of 15 and 45?

The answer to the LCM of 45 and 15 is 45.


What is the greatest common factor of 45 and 105?

The greatest common factor of 45 and 105 is 15.


What is the GCF of the numbers 15 and 45?

Since 15 is a factor of 45, it is automatically the GCF.


What is the highest factor of 45 except 45?

15


What are the greatest factors of 45?

The greatest (or largest) factor of 45 is 45. The next largest factor is 15.


Is 15 a prime number of 45?

15 is a factor of 45, but it is not a prime number.


What pairs of numbers has a greatest common factor of 15?

15 and 15000 have a greatest common factor of 15


What is the greatest common factor of 45 and 225?

The greatest common factor of 45 and 225 is 15.The GCF is: 45


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

Because 45 is not a factor of 60.