The least common factor of 3 and 12 is 3
though in reality, the least common factor between any two numbers is 1.
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The least common factor of any set of integers is 1.
The least common factor of any set of numbers is 1.
These numbers have no common factor so the LCM is their product, 12
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 LCM of 3, 6, and 12 is 12.The least common denominator is the same as the least common multiple.The least common denominator is the smallest multiple divisible by 3, 6, and 12. Since 12 is divisible by 3, 6, and 12, and the smallest multiple of 12 is 12 x 1 = 12, that is the least common denominator or least common multiple.