Solutions by everydaycalculation.com
The GCF of 21 and 1218 is 21.
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Find HCF of: 42 & 2436 63 & 3654 7 & 406 105 & 6090 147 & 8526 3 & 174 42 & 1218 21 & 2436 63 & 1218 21 & 3654 105 & 1218 21 & 6090 147 & 1218 21 & 8526
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).
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