The only common factor of 13 and 18 is 1 because they are co-prime.
The only common factor that 13 and 18 have is 1.One way to determine common factors is to find all the factors of the numbers and compare them.The factors of 13 are 1 and 13.The factors of 18 are 1, 2, 3, 6, 9, and 18.The only common factor is 1.Therefore, the least (smallest) common factor is 1 and the greatest (highest) common factor is 1.The least common factor of any set of integers 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
The GCF of 18 and 130 is 2. The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 130 are 1, 2, 5, 10, 13, 26, 65, and 130. The common factors are 1 and 2, so 2 is the greatest common factor. You can also determine this by looking at the prime factors. The prime factors of 18 are 2, 3, and 3. The prime factors of 130 are 2, 5, and 13. The prime factors they have in common are a single 2, so 2 is their greatest common factor.
The common factors of 18 are: 1,2,3,6,9,18.
Since 13 is a factor of 39, all of its factors are common.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
The factors of 13 are 1 and 13. For them to be common, they need to be compared to another set of factors.
Common factors of 6 and 18 are 1,2,3,6.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
Factors of 26: 1, 2, 13, 26 Factors of 18: 1, 2, 3, 6, 9, 18 GCF (26, 18) = 2