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The GCF of 18 and 77 is 1.
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Find HCF of: 36 & 154 54 & 231 90 & 385 126 & 539 36 & 77 18 & 154 54 & 77 18 & 231 90 & 77 18 & 385 126 & 77 18 & 539
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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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