## What is the GCF of 99 and 51?

3

Solution: The GCF of 99 and 51 is 3.

## What is the greatest common factor of 52 and 99?

As you can see when you list out the factors of each number, 1 is the greatest number that 52 and 99 divides into.

**What are the factors of 51 and 100?**

For 51 and 100 those factors look like this:

- Factors for 51: 1, 3, 17, and 51.
- Factors for 100: 1, 2, 4, 5, 10, 20, 25, 50, and 100.

### What is the least common multiple of 4 and 8?

8

The LCM of 4 and 8 is 8.

### What is the greatest common factor of 32 and 92?

As you can see when you list out the factors of each number, 4 is the greatest number that 32 and 92 divides into.

**What are the factors of 99?**

Solution: The factors of 99 are 1, 3, 9, 11, 33 and 99.

## How do you get 51?

1 x 51 = 51. 3 x 17 = 51. 17 x 3 = 51. 51 x 1 = 51.

## What is the GCF of 60?

The GCF of 60 and 60 is 60. To calculate the greatest common factor of 60 and 60, we need to find the factors of 60 (factors of 60 = 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60) and choose the greatest factor that exactly divides both 60 and 60, i.e., 60.

**What is the GCF of 17?**

The GCF of 17 and 51 is 17. To calculate the GCF of 17 and 51, we need to factor each number (factors of 17 = 1, 17; factors of 51 = 1, 3, 17, 51) and choose the greatest factor that exactly divides both 17 and 51, i.e., 17.

### What is the greatest common factor of 21 and 14?

There are 2 common factors of 14 and 21, that are 1 and 7. Therefore, the greatest common factor of 14 and 21 is 7.

### What is the GCF of 6 and 18?

6

The GCF of 6 and 18 is 6. To calculate the greatest common factor (GCF) of 6 and 18, we need to factor each number (factors of 6 = 1, 2, 3, 6; factors of 18 = 1, 2, 3, 6, 9, 18) and choose the greatest factor that exactly divides both 6 and 18, i.e., 6.