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# The greater common factor of 18 21?

Updated: 9/15/2023

Wiki User

15y ago

The greatest common factor of 18 and 21 is 3.

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15y ago

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Q: The greater common factor of 18 21?
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Related questions

### What is the greatest common factor of 9 18 and 21?

The Greatest Common Factor of 9, 18, 21: 3

### What is the least common factor of 18 and 21?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1. Factorizations: 18-3x3x2 21-7x3

### Which number goes into 21 and 18?

The highest common factor of 21 and 18 is 3

### What is the greatest common factor of 3 and 21 and 18?

The GCF of 3, 21, and 18 is 3.

### What is the greatest common factor of 18 21 and 54?

The GCF of 18, 21, and 54 is 3.

16 over 21

1 and 3

It is 3

It is: 3

The GCF is 3.

### What is the common factor of 18 36?

You need at least two numbers to find a GCF.

### What is the least common factor for 18 and 21?

The least common factor of any set of integers is 1.