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# What is the greatest common factor of 21 63 and 84?

Updated: 10/19/2022

Wiki User

7y ago

The Greatest Common Factor of 21, 63, 84: 21

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7y ago

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Q: What is the greatest common factor of 21 63 and 84?
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### What is the greatest common factor of 21 and 63?

The greatest common factor of 21 and 63 is 21.Since 21 is a factor of 63, it is automatically the GCF.

### Greatest common factor of 63 84 and 105?

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

The GCF is 7.

### Why is 21 the greatest common factor in 21 and 63?

Because 21 is a factor of 63. 21 is the greatest factor of 21. A larger number doesn't exist.

### What is the greatest common factors of 63 and 147?

The greatest common factor of 63 and 147 is 21.

### What is the greatest common factor of 63and 84?

The greatest common factor of 63 , 84 = 21

The GCF is 21.

### What is the greatest common factor of 42 63 and 105?

3The GCF is: 2121.The GCF is 21.

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