1 and 7
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The common factors of 184 and 161 are: 1 and 23
The GCF is 7.
They are 1 and 7
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.
The only proper factors of 77 are 7 and 11. 11 isn't a factor of 259 but 7 is, so the answer is 7.