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The common factors are: 1, 3

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Q: What are the common factors of 12 and 21 and 42?
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What are the common factors of 21 42 and 84?

The common factors of 21 42 and 84 are 21


What are the common factors of 21 and 42?

The common factors of 21 and 42 are the numbers that divide both 21 and 42 without leaving a remainder. The factors of 21 are 1, 3, 7, and 21, while the factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The common factors of 21 and 42 are 1, 3, 7, and 21.


What are the common factors of 42 and 12?

The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The common factors of 12 and 42 are 1, 2, 3, and 6.1, 2, 3, 4, 6, 121, 2, 3, 6, 7, 14, 21, 42


What are the common factors of 21 42 and 56?

The common factors of 21, 42, and 56 are: 1 and 7


What are the common factors and greatest common factor of 21 and 42?

The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.


What number is a common factor of 21 and 42?

The factors of 21 are: 1, 3, 7, 21.The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.The common factors are: 1, 3, 7, 21


What is the common factors of 42 and 21?

1, 3, 7, and 21 are all common factors of 21 and 42.


Is 6 a common factor of 42 and 84?

Yes. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. The common factors are 1, 2, 3, 6, 7, 14, 21, and 42. One of the common factors is 6.


What are the common factors of 42 and 273?

The common factors of 42 and 273 are 1, 3, 7 and 21.


What is the greatest common factor of 12 and 42?

The GCF of 12 and 42 is 6.The greatest common factor can be calculated by identifying the common prime factors and multiplying them together.12 = 2 x 2 x 342 = 2 x 3 x 7The GCF of 12 and 42 is: 2 x 3 = 6Another way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 12 are 1, 2, 3, 4, 6, and 12.The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.The common factors are 1, 2, 3, and 6. Therefore, the greatest common factor is 6.6It is 6


What are the factors of 12 35 and 42?

-- The factors of 12 are 1, 2, 3, 4, 6, and 12 .-- The factors of 35 are 1, 5, 7, and 35 .-- The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42 .-- The common factors of 12, 35, and 42 are 1, . . . oh, there aren't any others besides ' 1 '.


What are the greatest common factors of 126 84?

The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 The factors of 126 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 The common factors are: 1, 2, 3, 6, 7, 14, 21, 42 The Greatest Common Factor: GCF = 42