Multiples of 20: 1, 2, 4, 5, 10, 20
M of 30: 1, 2, 3, 5, 6, 10, 15, 30
M of 40: 1, 2 ,4, 5, 8, 10, 20, 40
Common factors: 1, 2, 5, and 10
Chat with our AI personalities
The greatest common factor is 10.
Greatest common factor of 20 30 and 40 is 10.
The highest common factor is: 20
The least common factor is 1. (The least common factor of any two or more positive integers is always 1.)
The Greatest Common Factor of 30, 35, 40 is 5.