An easy way to find the greatest commmon factor of two odd numbers would be to try dividing them by eachother.
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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.
i dont know what that means does anyone get this"find the greatest common factor of the numbers using prime factorization We'll be eager to jump on it as soon as you give us the numbers.
You need at least two numbers to find a GCF.
Answer: 7Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.Method:One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.The factors of 133 are 1, 7, 19, and 133.The factors of 161 are 1, 7, 23, and 161.The common factors are 1 and 7. Therefore, the greatest common factor is 7.The GCF is 7.
Trees aren't necessary. The greatest common multiple of any set of numbers is always infinite.