The factors of 13 are:
1, 13
The factors of 65 are:
1, 5, 13, 65
The factors of 117 are:
1, 3, 9, 13, 39, 117
The common factors are:
1, 13
The Greatest Common Factor (GCF) is:
13
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Factors of 117 are 1, 3, 9, 13, 39, and 117. Factors of 130 are 1, 2, 5, 10, 13, 26, 65, and 130 The GCF of 117 and 130 is 13.
The factors of 65 are: 1, 5, 13, 65 The factors of 117 are: 1, 3, 9, 13, 39, 117
The GCF of 13, 26, and 65 is 13. The prime factorization of 13 is 1*13. The prime factorization of 26 is 2*13 The prime factorization of 65 is 5*13 So the GCF of the set is 13.
The greatest common factor of 65 and 91 is 13.The GCF is 13.
GCF = 13