The factors of 51 are 1, 3, 17 and 51. For them to be common, they need to be compared to another set of factors.
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 51 and 85 are: 1 and 17.
The common factors of 51 and 39 are 1 and 3.
1 and 3 are the common factors of 51 and 15.
51 and 16 share no common factors aside from 1.
The factors of 51 are 1, 3, 17, 51 For them to be common, they need to be compared to another set of factors.
It depends upon the other number(s) with which 51 has common factors, but it will always be one of the factors of 51, namely 1, 3, 17 or 51.
The common factors of 24 and 51 are: 1 and 3
The greatest common factor is 51
The common factors of 34, 51, and 85 are: 1 and 17
GCF means Greatest Common Factor. GCF of 51 and 255 will be, = 255/ 51 = 5. So, 255 is divisible by 51. So, the answer is 51. or, Factors of 51 is = 17x3 Factors of 255 is = 3x5x17 So the common factors are 3x17 which is 51.