Common factors are any numbers that are factors of each. The greatest common factor therefore is the largest number that appears in both lists.
Factors of 52
1, 2, 4, 13, 26, 52
Factors of 84
1, 2, 3, 4, 6, 7, 12, 14, 28, 42, 84
Common factors would be - 4, 2, and 1
Therefore the greatest common factor is 4.
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The Least Common Multiple (LCM) for 42 70 84 is 420.The Greatest Common Factor (GCF) for 42 70 84 is 14.
The highest common factor is 7
The common factors of 63 and 84 are: 1, 3, 7, and 21
4
It is: 2520