The common factors are: 1, 2.
The common factors of 21 and 36 are 1 and 3
The common factors of 36 and 38 are 1 and 2. first find all factors of 38 and 36: The factors of 36 are 1, 2, 3, 4, 6, 9, 12, and 36 The factors of 38 are 1, 2, 19, and 38 now see what they have in common 1 and 2 so the common factors of 38 and 36 are 1 and 2.
The factors of 36 are 1,2,3,4,6,9,12,18,and 36.The factors of 74 are 1,2,and 37.The greatest common factor of 36 and 74 is 2.
The common factors are: 1, 2, 4
The common factors are 1 and 2.
1 and 2
1 and 2
The common factors are: 1, 2.
The common factors of 18 and 36 are 18,9,6,3,2,1.
The common factors of 27 and 36 are 1, 3 and 9.
The common factors of 15 and 36 are: 1, 3.
The common factors of 36 and 40 are 1,2 and 4.
Since 12 is a factor of 36, all of the factors of 12 are common to 36.
The common factors of 21 and 36 are 1 and 3
The common factors of 36 and 63 are 1, 3 and 9
The common factors of 36 and 80 are: 1, 2, and 4