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The GCF of 51 and 861 is 3.
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Find HCF of: 102 & 1722 153 & 2583 17 & 287 255 & 4305 357 & 6027 102 & 861 51 & 1722 153 & 861 51 & 2583 255 & 861 51 & 4305 357 & 861 51 & 6027
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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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