13 and 53 share no common factors aside from 1.
The only factors of 53 are 1 and 53. That's what makes it prime.
Its factors are itself and one because 53 is a prime number
1, 2, 13, 26, 53, 106, 689, 1378 2, 13 and 53 are prime.
The only common factor of 36 and 53 is 1.
The common factors of 13 and 39 are: 1 and 13
The factors of 13 are 1, 13 The factors of 26 are 1, 2, 13, 26 The common factors of 13 and 26 are 1 and 13. The common factors are: 1, 13
1, 13, 53, 689
Since 13 is a factor of 39, all of its factors are common.
There are none other than 1. 53 is a prime number, and can only have common factors with a multiple of 53. 53 = 1 x 53 85 = 1 x 85 or 5 x 17 No common factors other than 1, so the GCF would be considered 1.
2, 13 and 53
The factors of 53 are: 1, 53 The factors of 156 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
The factors of 13 are 1 and 13. For them to be common, they need to be compared to another set of factors.