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The GCF of 28 and 405 is 1.
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Find HCF of: 56 & 810 84 & 1215 140 & 2025 196 & 2835 56 & 405 28 & 810 84 & 405 28 & 1215 140 & 405 28 & 2025 196 & 405 28 & 2835
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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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