Factors of 6 are 1, 2, 3, and 6.
Factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.
1, 2, 3, and 6 are factors of both 6 and 30 .
6 is their greatest common factor.
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To find the factors that are not factors, find the factors of the number. All numbers that are not listed are not factors. 66: 1 x 66 2 x 33 3 x 22 6 x 11 The factors are 1, 2, 3, 6, 11, 22, 33, and 66. All other numbers are not factors of 66.
2, 3, 6, 11, 22, 33
The factors of 66 are: 1, 2, 3, 6, 11, 22, 33, 66 The factors of 110 are: 1, 2, 5, 10, 11, 22, 55, 110
The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.The prime factors of 48 are: 2 and 3.The factors of 66 are: 1, 2, 3, 6, 11, 22, 33, and 66.The prime factors of 66 are: 2, 3, and 11.
Start with the factors of 99: 99 = 33 X 3 = 11 X 3 X 3. So {1, 3, 9, 11, 33, 99} are the factors of 99. Next find the factors for 66: 66 = 11 X 6 = 11 X 3 X 2. So {1, 2, 3, 6, 11, 22, 33, 66} are the factors of 66. Next find the common numbers of these two sets: {1, 3, 11, 33}. Since 33 is the largest of these numbers, it is the greatest common factor.