Best Answer

The factors of 21 are:

1, 3, 7, 21

The factors of 35 are:

1, 5, 7, 35

The common factors are:

1, 7

The Greatest Common Factor:

GCF = 7

More answers

21 and 35 are both in the 7 timetable, so 7 is a common factor.

Because 7 can divide into both 21 and 35 evenly.

7 is the greatest common factor of 21 and 35.

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Q: Is 7 the greatest common factor of 21 and 35 and why?

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The greatest common factor (GCF) is: 7.7

The GCF is 7.

The greatest common factor of 7, 35 and 49 is 7.

The GCF is 7.

The GCF is 7.

Related questions

7

The greatest common factor (GCF) is: 7.7

The GCF of 21 and 35 is 7.The factors of 21 are 1, 3, 7, and 21The factors of 35 are 1, 5, 7, and 35The greatest (largest) factor common to both 21 and 35 is 7The GCF is 7.

The GCF is 7.

The GCF of 21, 35, and 63 is 7.

21 = (3)(7)35 = (5)(7)7

The GCF is 1.

The GCF is 7.

The GCF is 7.

The greatest common factor of 7, 35 and 49 is 7.

The greatest common factor of 35 and 125 is 5.The greatest common factor of the numbers 35 and 125 is 5.

The GCF is 7.