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The GCF of 70 and 660 is 10.
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Find HCF of: 140 & 1320 35 & 330 210 & 1980 350 & 3300 14 & 132 490 & 4620 140 & 660 70 & 1320 210 & 660 70 & 1980 350 & 660 70 & 3300 490 & 660 70 & 4620
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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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