The greatest common factor (or highest common factor) is the highest number that divides exactly into two or more numbers.
20: 1, 2, 4, 5, 10, 20
30: 1, 2, 3, 5, 6, 10, 15, 30
The highest common factor of 20 and 30 is 10.
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The greatest common factor (GCF) of 20 and 30 is 10.
HCF is the highest common factor of two or more numbers. HCF of 20 and 30 is 10.
The highest common factor of the numbers 210 and 330 is 30.
The greatest common factor of 8, 20, and 30 is 2
The Greatest Common Factor (GCF) is: 6