The factors of 15 are: 1, 3, 5, 15
The factors of 21 are: 1, 3, 7, 21
The factors of 33 are: 1, 3, 11, 33
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The factors of 21 are: 1, 3, 7, 21.The factors of 33 are: 1, 3, 11, 33.The common factors are: 1, 3The GCF is: 3
The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.
The factors of 165 are:1, 3, 5, 11, 15, 33, 55, 165The factors of 231 are:1, 3, 7, 11, 21, 33, 77, 231The common factors are:1, 3, 11, 33The Greatest Common Factor (GCF) is:33
The factors of 21 are: 1, 3, 7, 21 The factors of 23 are: 1, 23
To find the common factors of 99 and 33, we first need to find the factors of each number. The factors of 99 are 1, 3, 9, 11, 33, and 99. The factors of 33 are 1, 3, 11, and 33. The common factors are 1, 3, and 11. Adding these common factors together gives us 1 + 3 + 11 = 15. Therefore, the sum of all the common factors of 99 and 33 is 15.