No, it is not a factor of either of the numbers.
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No. The greatest common factor is 4. 4 x 3 = 12 4 x 2 = 8
Factor out common factors. 9/12 factor out a 3 3*3/3*4 3 as a factor top and bottom, at least once, can be canceled = 3/4 ===================
The GCF of 12 and 15 is 3. factors of 12: 1, 2, 3, 4, 6 and 12. factors of 15: 1, 3, 5, and 15. common factors 1 and 3. Since 3 > 1, 3 is the Greatest Common Factor.
3*4 = 12 3*11 = 33 so 3 is a factor of both 12 and 33. That is 3 is a common factor. No number larger than 3 is a factor of BOTH the numbers so 3 is the greatest common factor.
The common factor of 2 and 3 is: 1 The common factor of 3 and 4 is: 1 The common factors of 2 and 4 are: 1 and 2 The common factor or 2, 3 and 4 is: 1