The common factor of 20 and 33 is 1.
The factors of 20: 1, 2, 4, 5, 10, 20 The factors of 30: 1, 2, 3, 5, 6, 10, 15, 30 So the common factors would be 1, 2, 5, and 10.
1 & 3 are the common factors of 27 and 33.
The common factors are: 1, 3, 11, 33
The common factors of 33 and 77 are 1 and 11
Common factors of 99 and 33 are: 1, 3, 11, and 33.
33 = 3 * 1112 = 3 * 2 * 2So: 3.
Since 33 is a factor of 66, all of its factors are common.
The common factors are 1.
The factors of 33 are 1, 3, 11, 33 For them to be common, they need to be compared to another set of factors.
The common factors of 33 and 93 are: 1 and 3The HCF is 3
The common factors of 33 and 87 are 1 and 3.
The factors of 33 are 1,3,11,33 The factors of 55 are 1,5,11,55 Hence common factors are 1, & 11. as these two numbers appear in each list of factors.