Best Answer

The GCF of 84 and 105 is 21.

- The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, and 84.
- The factors of 105 are 1, 3, 5, 7, 15, 21, 35, and 105.

The greatest number they have in common (Hint hint, greatest common factor) is 21.

More answers

The GCF is 21.

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Q: What is the greatest common factors of 84 and 105?

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The greatest common factor of 84 and 105 is 21.

The greatest common factor of 63, 84, and 105 is 21.

The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105 The common factors are: 1, 3, 7, 21 The Greatest Common Factor: GCF = 21

Factors for 84 are {1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84} Factors for 105 are {1, 3, 5, 7, 15, 21, 35, 105} Greatest common factor of 84 and 105 is 21

The Greatest Common Divisor is 21

The Greatest Common Divisor is 21

The factors of 84 are 1,2,3,4,6,7,12,14,21,28,42 and 84. To find a greatest common factor, you need to compare them to another number's factors.

The GCF of 84, 105, 142, and 148 is 1.

The factors of 84 are:1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84The factors of 105 are:1, 3, 5, 7, 15, 21, 35, 105The common factors are:1, 3, 7, 21The Greatest Common Factor (GCF) is:21

The common factors of 84 and 105 are: 1, 3, 7, and 21The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105.The common factors are: 1, 3, 7, 21

21.

The GCF is 21.