Q: Can the GCF of 16 and 42 be less than 16 Explain?

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The only rule is that the GCF has to be equal to or less than the lower number. Since 16 is not the GCF of 16 and 42, the GCF has to be lower than 16.

Yes.

Yes, the GCF of any set of numbers must be less than or equal to the smallest member of the set. It cannot be greater. In this case, it is not 16 so it is less than 16.

Yes because it is 2

No.

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There is no GCF of 16. You need at least two numbers to find a GCF. The GCF of something and 16 could possibly be less than 16.

Since 16 is not a factor of 42, the GCF in this case has to be less than 16.

Since 16 is not a factor of 40, the GCF must be less than 16.

It must be less than or equal to the smallest of the set of numbers whose GCF you are trying to obtain. So it must be less than or equal to 16. Furthermore, it is not 16 because 16 is not a factor of 42. Therefore, it must be less than 16.

The only rule is that the GCF has to be equal to or less than the lower number. Since 16 is not the GCF of 16 and 42, the GCF has to be lower than 16.

It can be and is. Since 16 is not a factor of 42, the GCF will have to be a factor of 16 that is less than 16.

2

It can be and is.

Yes, it's 8

Yes. The greatest common factor of 16 and 42 must be a factor of 16. The only rule is that the GCF has to be equal to or less than the lower number. Since 16 is not the GCF of 16 and 42, the GCF has to be lower than 16.

Yes.

because 16 is not a factor of 42 and the GCF is 2.