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The GCF of 51 and 243 is 3.
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Find HCF of: 102 & 486 153 & 729 17 & 81 255 & 1215 357 & 1701 102 & 243 51 & 486 153 & 243 51 & 729 255 & 243 51 & 1215 357 & 243 51 & 1701
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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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