The factors of 63 are 7*3*3 (or 7^1 * 3^2)
The factors of 49 are 7*7 (or 7^2)
When finding the GCF, you can use the highest power of a common factor. Is this case, the highest common factor is (7^1) since 63 only has a 7^1
The answer is 7.
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The common factors of 63 and 49 are 1 and 7.
1 goes into both 49 and 63, as well as 7does also.
The GCF is 9.
The greatest common factor is 63
The factors of 38 are: 1, 2, 19, 38The factors of 63 are: 1, 3, 7, 9, 21, 63The common factor is: 1The Greatest Common Factor (GCF) is: 1