Any two integers have a gcf. It is also possible for an odd and an even number to have a gcf other than one; for example, the following numbers (shown in factored form) have the gcf 7: 7 x 7 7 x 8
ex.
3 and 6, the GCF is 3
14 and 21 the GCF is 7
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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.
Because odd numbers don't have any even factors so they can't have any in common.
That can never be an even number.
Not sure what the GFC is but if you meant GCF, the answer is no, it is never even.