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# What is the greatest factor of 12 and 20?

Updated: 10/27/2022

Wiki User

12y ago

The greatest common factor of 12 and 20 is 4

Wiki User

12y ago

Wiki User

7y ago

The greatest factor of any positive number is the number itself. The greatest common factor of 12 and 20 is 4.

Wiki User

7y ago

4 is the greatest factor.

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Q: What is the greatest factor of 12 and 20?
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### What is the greastest common factor of 12 and 20?

The greatest common factor of 12 and 20 is 4.

### What is the greatest common factor of 20 12 and 4?

The GCF of 4, 12, and 20 is 4The GCF is: 4

### What is the greatest common factor of 12 of 20?

Factors of 10 are: 1, 2, 5, 10 Factors of 12 are: 1, 2, 3, 4, 6, 12 Factors of 20 are: 1, 2, 4, 5, 10, 20. Therefore, the highest, common to all, factor is 2.

The GCF is 4.

### What is the largest factor for 12 and 20?

The greatest factor of any number is the number itself. The greatest common factor of 8, 12 and 20 is 4.

### What is the greatest common factor of 10 12 20?

2 is the GCF of 10, 12, and 20.

The GCF is 2.

The GCF is 4.

4

The GCF is 4.

The GCF is 4.

### What is the greatest common factor of 20 12 and 20?

The GCF of 12 and 20 is 4.The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 20 are 1, 2, 4, 5, 10, and 20.The factors they have in common are 1, 2, and 4. Therefore, 4 is the greatest common factor.The greatest common factor can also be determined from the prime factors by multiplying the common prime factors together.The prime factors of 12 are 2, 2, and 3.The prime factors of 20 are 2, 2, and 5.The common prime factors are 2 and 2, so the greatest common factor is 2 x 2 = 4.The greatest common factor of 12 and 20 is 4