The GCF is 7.
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Greatest Common Factor= 1
Well, darling, the greatest common factor for 21, 35, and 56 is 7. It's like finding the perfect little black dress that fits all three numbers like a charm. So, go ahead and flaunt that GCF like it's the latest fashion trend.
The greatest common factor (GCF) of 42 and 70 is the largest number that divides evenly into both 42 and 70. To find the GCF, we first list the factors of each number: 42 (1, 2, 3, 6, 7, 14, 21, 42) and 70 (1, 2, 5, 7, 10, 14, 35, 70). The largest number that appears in both lists is 14, so the GCF of 42 and 70 is 14.
The greatest common factor is 5, so 15/35 = 3/7. 3 and 7 are prime; this cannot be reduced any further.
Factors of 35 are: 1, 5, 7, 35Factors of 49 are: 1, 7, 49So, the highest common factor is 7.