The common factors are: 1, 2.
The factors of 20 are 1, 2, 4, 5, 10, and 20 The factors of 28 are 1, 2, 4, 7, 14, and 28. Common factors of 20 and 28: 1, 2, and 4.
The common factors of 28 and 70 are:28 factors are 1, 2, 4, 7, 14, 2870 factors are 1, 2, 5, 7, 10, 14, 35, 70So the common factors are 1, 2, 7, and 14
The common factors of 28 and 84 are 1,2,4,7,14 and 28.
The common factors of 28 and 84 are 1,2,4,7,14 and 28
The factors of 28 are: 1, 2, 4, 7, 14, 28 The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40 The common factors are: 1, 2, 4 The Greatest Common Factor: 4
The factors of 28 are 1,2,4,7,14 and 28. "Common" means "same for both". For these factors to be common, they need to be compared to the factors of another number.
The GCF of 10 and 28 is 210 factors to [2 * 5]27 factors to [2 * 2 * 7]The common factor is 2, so the GCF is 2.There is none
The common factors of 28 and 63 are: 1 and 7
The common factors of 28 and 49 are 1 and 7.
The common factors of 18 and 28 are 1 and 2
The common factors of 28 and 50 are 1 and 2
Common factors of 28 and 30 are: 1 and 2.