Factors for 27: 1, 3, 9, 27
Factors for 45: 1, 3, 5, 9, 15, 45
Factors for 99: 1, 3, 9, 11, 33, 99
Common Factors: 1, 3, 9
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The factors of 45 are: 1, 3, 5, 9, 15, 45 The factors of 89 are: 1, 89 The factors of 99 are: 1, 3, 9, 11, 33, 99
1, 3, 5, 9, 15, 45 1, 3, 9, 27, 81 1, 3, 9, 11, 33, 99
The common factors of 99 and 121 are the numbers that can evenly divide both 99 and 121 without leaving a remainder. The factors of 99 are 1, 3, 9, 11, 33, and 99. The factors of 121 are 1, 11, and 121. Therefore, the only common factor of 99 and 121 is 1.
The greatest common factor is 9
Answer: 9Definition: 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 the 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 54 are 1, 2, 3, 6, 9, 18, 27, and 54.The factors of 99 are 1, 3, 9, 11, 33, and 99.The common factors are 1, 3, and 9. Therefore, the greatest common factor is 9.