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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.
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What is the greatest common factor of 105 and 125?
The factors of 105 are:1, 3, 5, 7, 15, 21, 35, 105The factors of 125 are:1, 5, 25, 125The common factors are: 1, 5The Greatest Common Factor (GCF) is: 5
What is th gratest common factor of 42 and 105?
42 prime factors -----> 2,3,7 105 prime factors -----> 3,5,7 There is 3 and 7 in common : There fore 3*7 = 21; 21 is the greatest common factor.
What is the GCF of 105 and 210?
The greatest common factor (GCF) of 105 and 210 is 105.
What is the GMF of 90 and 105?
I don't know what GMF is, but:GCF (Greatest Common Factor) of 90 and 105 is 15LCM (Lowest Common Multiple) of 90 and 105 is 630
What is the greatest common factor of 105 and 189?
The GCF of 105 and 189 is 21.
