Is 5 a common factor of 45?

Answer 1

They can be. 5 and 1 are common factors of 10 and 20

Answer 2

2 and 5 are both prime numbers so the only common factor is 1.

Answer 3

One is the common factor because 5 and 3 are both prime numbers.

Answer 4

It is a factor of 45 ( 5*9)

For something to be a "common" factor, you`ll need at least two numbers ...

Answer 5

Yes 1 is a common factor of all integers or whole numbers

Answer 6

5 has two factors whose total is 6. For them to be common, they need to be compared to another set of factors.

Answer 7

No, 5 is not a factor of 33.