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Q: Is the gcf of an odd and even number always even?

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No, always odd.

The GCF of an odd and even number is never even.

No, always odd.

No, always odd.

No, their GCF is always odd.

The GCF of any two odd numbers is always odd. The GCF of any two even numbers is always even. The GCF of an odd and an even number is always odd.

It's not. It's always odd.

No, it is not.

No. Since odd numbers don't have any even factors, the GCF of odd and even must be odd.

No.

It is NEVER even. Because no even number can be a factor of the odd number.

It CAN'T be even, since the number 2 is not a factor of the odd number. "Even" means that a number is a multiple of 2.

Yes. The odd number does not have 2 as a factor (or else the number would be even). So the gcf does not have 2 as a factor. So the gcf must be odd.

The GCF of an odd and an even number must be odd since odd numbers do not have any even factors.

No, always odd. Since odd numbers don't have any even factors, they can't have any in common.

It is false.

no. try 6 and 15. their GCF = 3 (odd)

Yes.

odd

Not sure what the GFC is but if you meant GCF, the answer is no, it is never even.

Yes and yes.

Because odd numbers don't have any even factors so they can't have any in common.

The GCF of any two odd numbers is always odd because odd numbers don't have any even factors. The GCF of any two even numbers is always even because even numbers are divisible by two and any common factors would have at least one two in common. The GCF of an even and an odd number is odd because odd numbers don't have any even factors.

No, always odd.

No. The GCF of 6 and 15 is 3.

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