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Q: What are two composite numbers that have the greatest common factor of eight?

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?

Not necessarily.

25 and 36

15 and 16

8 and 16

Yes.

24, 25 and 26

8 and 16

25, 36, 49

8 and 16

No.

25 and 32

Composite. All whole numbers ending in zero are composite.

Yes as for example 34 and 45

The greatest factor that two or more numbers have in common is known as the greatest common factor, or GCF.

If the GCF of two composite numbers is 1, they are co-prime or relatively prime.

There is no standard GCF in that instance. It varies according to which numbers you select.

4 and 24, 12 and 16

Not necessarily. The GCF of 6 and 9 is 3.

That's the greatest common factor, or GCF.

There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.

There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.

There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.