# What number is a factor of all the numbers 45 60 78 84 99

What number is a factor of all the numbers 45 60 78 84 99

## This Post Has 10 Comments

1. robert7248 says:

45=3*3*5
60=2*2*3*5
78=2*3*13
84=2*2*3*7
99=3*3*11

common number is 3

factor is 3

2. Yailynn7004 says:

That is a lot ofhelp

3. eessayian25781 says:

Edurago is thinking of the number 16

Explanation:

The factors of 16 are 1, 2, 4, 8, & 16

Factors are what can be multiplied to get the certain number.

1 × 16 = 16

2 × 8 = 16

4 × 4 = 16

8 × 2 = 16

16 × 1 = 16

The number 16 is between 1 and 20 and it has 5 factors.

I hope that helps u!

4. kathiewallentin1767 says:

Let me think if you look and multiply all to like 20 the answer is 3 it is

5. dillongivenstheman says:

All of them except for 31 and 3

6. kb0767729 says:

He’s thinking of the number 16

7. Zaayyyy says:

The common factor is 3.

8. crawford184232323234 says:

Look at all and factor

45=3*3*5
60=2*2*3*5
78=2*3*13
84=2*2*3*7
99=3*3*11

common number is 3

factor is 3

9. emmilicious says:

48 = 2*2*2*2*3

From the given info in the question we pull out 2*2*3 = 12 < answer