Solutions by everydaycalculation.com
The gcf of 7 and 18 is 1.
The greatest common factor (gcf) is also known as greatest common divisor (gcd) or highest common factor (hcf).
Find hcf of: 14 & 36 21 & 54 35 & 90 49 & 126 14 & 18 7 & 36 21 & 18 7 & 54 35 & 18 7 & 90 49 & 18 7 & 126
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