GCF of 100 and 120

Number 1Number 2(Optional) Enter Number 3

Determine the Greatest Common Factor (GCF) of (100,120,36)

Determine the factors for 100 up to 36 since that is the minimum of the 3 numbers
1,2,4,5,10,20,25

Determine the factors for 120 up to 36 since that is the minimum of the 3 numbers
1,2,3,4,5,6,8,10,12,15,20,24,30

Determine the factors for 36 up to 36 since that is the minimum of the 3 numbers
1,2,3,4,6,9,12,18,36

The common factors between them are 1,2,4
The greatest common factor between them is 4
To see the LCM of these numbers, click the LCM button above