Factors of 34 are 1 , 2 , 17 , 34.Factors of 85 are 1 , 5 , 17 , 85.Factors of 68 are 1 , 2 , 4 , 17 , 34 , 68.Factors of 51 are 1 , 3 , 17 , 51.The Greatest Common Factor is 17
The greatest number which divides both 51 and 85 is 17. So, greatest common factor is 17.Alternate method:P.F. of 51 = 3x17P.F. of 85 = 5x17Clearly, from the P.F. of both numbers 17 is the greatest common factor.The GCF is 17.51 and 85's highest common factor is 17.
The common factors of 21 and 51 are: 1 and 3
The common factors of 51 and 68 are: 1 and 17
The common factors of 65 and 85 are: 1 and 5
The factors of 51 are: 1, 3, 17, 51 The factors of 85 are: 1, 5, 17, 85 The common factors are: 1, 17 The Greatest Common Factor: GCF = 17
17
The common factors of 34, 51, and 85 are: 1 and 17
The factors of 51 are: 1, 3, 17, 51 The factors of 85 are: 1, 5, 17, 85
The factors of 51 are:1, 3, 17, 51The factors of 85 are:1, 5, 17, 85The common factors are:1, 17The Greatest Common Factor:GCF = 17
Factors of 34 are 1 , 2 , 17 , 34.Factors of 85 are 1 , 5 , 17 , 85.Factors of 68 are 1 , 2 , 4 , 17 , 34 , 68.Factors of 51 are 1 , 3 , 17 , 51.The Greatest Common Factor is 17
The factors of 34 are: 1, 2, 17, 34 The factors of 51 are: 1, 3, 17, 51 The factors of 85 are: 1, 5, 17, 85
The factors of 34 are:1, 2, 17, 34The factors of 51 are:1, 3, 17, 51The factors of 85 are:1, 5, 17, 85The common factors are:1, 17The Greatest Common Factor (GCF) is:17
The greatest number which divides both 51 and 85 is 17. So, greatest common factor is 17.Alternate method:P.F. of 51 = 3x17P.F. of 85 = 5x17Clearly, from the P.F. of both numbers 17 is the greatest common factor.The GCF is 17.51 and 85's highest common factor is 17.
The GCF of 34 51 and 85 is 17. This divides into each to give 2, 3 and 5 respectively. There are no further common factors.
Factors of 51: 1 3 17 51 Factors of 255: 1 3 5 15 17 51 85 255 The GCF of 51 and 255 is 51
The common factors of 21 and 51 are: 1 and 3