The common factors of 28 and 49 are 1 and 7.
The factors of28 are 1, 2, 4, 7, 14 and 28.The factors of 49 are 1 18 49. So the G.C.F (greatest common factor) is 1.
Factors of 28: 1,2,4,7,14, and 28.Factors of 35: 1, 5, 7, and 35.Factors of 49: 1, 7, and 49.common factors: 1, 7.greatest of the common factors: 7 for 7>1 GCF of 28 35 and 49: 7.
Let us find the Highest Common Factor (HCF) for 49 and 56: We know that, The factors of 49 are 1, 7, 49 The factors of 56 are 1, 2, 4, 7, 8, 14, 28, 56 So, the highest common factor of 49 and 56 is 7.
The only common factor of 49, 35, 28, and 20 is ' 1 '.
It is 7
7
The common factors are: 1, 7
The highest common factor of 49 and 70 is 7
It is 7
The greatest common factor is 7
The only common factor is 1.