It is: 13
To find the GCF of 13 and 39, you can list the factors of each number. The factors of 13 are 1, 13. The factors of 39 are 1, 3, 13, 39. 13 is the GCF of 13 and 39. 3 is a prime number has only two factors: 1 and 13. 13 will divide into 39 three times. Since 13 is a prime number that will divide into 39, it has to be the GCF of 13 and 39.
The factors of 39 are:1, 3, 13, 39The factors of 61 are:1, 61The Greatest Common Factor (GCF) is:1
The factors of 39 are: 1, 3, 13, 39.The factors of 87 are: 1, 3, 29, 87.The common factors are: 1, 3.The Greatest Common Factor (GCF) is: 3
There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
The factors of 39 are: 1, 3, 13, and 39.The prime factors of 39 are: 3 and 13.The factors of 50 are: 1, 2, 5, 10, 25, and 50.The prime factors of 50 are: 2 and 5.
To find the GCF of 13 and 39, you can list the factors of each number. The factors of 13 are 1, 13. The factors of 39 are 1, 3, 13, 39. 13 is the GCF of 13 and 39. 3 is a prime number has only two factors: 1 and 13. 13 will divide into 39 three times. Since 13 is a prime number that will divide into 39, it has to be the GCF of 13 and 39.
Factors of 39: 1 3 13 39 Factors of 26: 1 2 13 26 The GCF of 39 and 26 is 13
The factors of 15 are:1, 3, 5, 15The factors of 39 are:1, 3, 13, 39The common factors are:1, 3The Greatest Common Factor (GCF) is:3
1 and 3, the GCF
Common factors of 39 and 52 are: 1 and 13.
The factors of 39 are:1, 3, 13, 39The factors of 61 are:1, 61The Greatest Common Factor (GCF) is:1
The GCF is 3.
The GCF is 39.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3.