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The factors of 21 are:

1, 3, 7, 21

The factors of 23 are:

1, 23

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12y ago
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8y ago

The factors of 15 are: 1, 3, 5, 15
The factors of 21 are: 1, 3, 7, 21

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12y ago

1,3,5,15

1,23

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12y ago

The GCF is 1.

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Q: What are the factors for 15 and 21?
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Related questions

What are the factors and prime factors of 15 and 21?

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.


What are the factors of 15 21 and 33?

The factors of 15 are: 1, 3, 5, 15 The factors of 21 are: 1, 3, 7, 21 The factors of 33 are: 1, 3, 11, 33


What are the common factors of 15 and 21?

The factors of 15 are 3 and 5. The factors of 21 are 3 and 7. So the common factor is 3.


What are the factors of 21 28 and 15?

Factors are those numbers which can be evenly divided into a number. The factors of 21 would be 1, 3, 7, 21 The factors of 28 would be 1, 2, 4, 7, 14, 28 The factors of 15 would be 1, 3, 5, 15


What are the factors of 21 and 75?

The factors of 21 are: 1, 3, 7, 21 The factors of 75 are: 1, 3, 5, 15, 25, 75


What are the factors of 21 and 45?

Factors of 21: 1, 3, 7, 21 Factors of 45: 1, 3, 5, 9, 15, 45


What is the greatest common factors of 15 and 21?

The greatest common factor of 15 and 21 is 3The factors of 15 are: 1, 3, 5, 15The factors of 21 are: 1, 3, 7, 21The common factors are: 1, 3The Greatest Common Factor (GCF) is: 3


What are the common factors for 15 and 21?

The factors of 15 are: 1, 3, 5, 15The factors of 21 are: 1, 3, 7, 21The common factors are: 1, 3


Factors of 15 28 21 and 35?

15: 1,3,5,15 28: 1,2,4,7,14,28 21: 1,3,7,21 35: 1,5,7,35


What are the factors of 21 and 30?

Factors of 21: 1, 3, 7, 21 Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30


What are the common factors of 15 and 21 and 36?

The GCF is 3.


What are the common factors of 15 21 and6?

1 and 3