0

# What is the GCF of 12 and 42 in a factor tree?

Updated: 12/12/2022

Wiki User

12y ago

12

6,2

3,2,2

42

21,2

7,3,2

2 x 3 = 6, the GCF

Wiki User

12y ago

Earn +20 pts
Q: What is the GCF of 12 and 42 in a factor tree?
Submit
Still have questions?
Related questions

### What is the greatest common factor of 24 42 and 180?

Greatest common factor of 24 and 36 and 180 is 12.

### What is the greatest common factor of 12 24 and 42?

The greatest common factor of 12 20 and 42 is 2The GCF is 6.

The GCF is 6.

### What is the GCF of 42 using a factor tree?

42 21,2 7,3,2 You need at least two numbers to find a GCF.

### What is the greates common factor of 18 and 42?

The greatest common factor of 18 21 and 42 is 3.

### How do you use factor trees to find the greatest common factor of 12 and 42?

Here are factor trees for 12 and 42: 12 - 2 - 6 - 2 - 3 42 - 2 - 21 - 3 - 7 The leaves in 12's factor tree are: 2, 2, and 3. The leaves in 42's factor tree are: 2, 3, and 7. The longest common sub-sequence of the leaf lists is: 2, 3. Therefore, multiply 2 by 3 and we get that 6 is the gcf of 12 and 42.

### What is the greatest common factor of 42 48 and 78?

The GCF of 42, 48, and 78 is 6.

### What is the greatest common factor of 12 24 30 and 42?

The GCF of 12, 24, 30, and 42 is 6.

### What is the greatest common factor of 12 18 36 and 42?

The GCF of 12, 18, 36, and 42 is 6.

### What is the greatest common factor of 12 42 and 30?

The GCF of 12, 30, and 42 is 6.

The GCF is 6.

The GCF is 6.