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There cannot be a greatest common factor 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.
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoYou need at least two numbers to find a GCF.
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What are the greatest common factor for 42 and 12?
The greatest common factor of 42 and 12 is 6.
What is the greatest common factor of 42 and 66?
The greatest common factor of 42 and 66 is 6.6
What is the greatest common factor of 42 and 102?
The Greatest Common Factor (GCF) is: 6The greatest common factor of 42 and 102 is 6.
What is the greatest common factor or 12 and 42?
The greatest common factor of 12 , 42 = 6
Greatest common factor of 24 and 42?
The Greatest Common Factor of 24 and 42 is 6.
What is the greatest common factor of 13 and 42?
The greatest common factor of 13 and 42 is 1.
What is the greatest common factor of 42 and 196?
The greatest common factor of 42 and 196 is 14.
What 16 and 42 greatest common factor?
The greatest common factor of 16 and 42 is 2.
What is the greatest common factor of 3 and 42?
Since 3 is a factor of 42, it is automatically the GCF.
What is the Greatest common factor of 82 and 42?
the greatest common factor of 42 and 82 is 2
What is the greatest common factor of 58 and 42?
The GCF of 42 and 58 is 2.
What is the greatest common factor of 420 and 294?
The greatest common factor of 294 and 420 is 42.
