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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∙ 12y agoWiki User
∙ 6y ago45
Since 45 is a factor of 90, it is automatically the GCF.
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∙ 12y agogreatest comon factor for 45 and 90 is 45.
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∙ 12y agoThe Greatest Common Factor (GCF) is: 15.
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∙ 11y agoThe GCF is 15.
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∙ 10y agoThe greatest common factor of 2 , 45 = 1
The greatest common factor of 75 and 112 is 1.
The GCF of 75 and 99 is 3.
The greatest common factor of 75 and 27 is 3.
The Greatest Common Factor of 75, 115, 150: 5
The greatest common factor of 75 and 125 is 25
The greatest common factor of 75 and 225 is 75.
The greatest common factor of 75, 150, and 225 is 75
The greatest common factor of 75 , 100 = 25
The greatest common factor of 75 , 140 = 5
The greatest common factor of 21 and 75 is 3.
The greatest common factor of 75 and 115 is 5.
The greatest common factor of 46 and 75 is 1.
The greatest common factor of 75 and 112 is 1.
the greatest common factor of 55 and 75 is 5
greatest common factor of 75, 195, and 325.
The GCF of 75 and 99 is 3.
The greatest common factor of 75 and 27 is 3.