The greatest common factor of 27 and 33 is 3.
The only common factors are... 1 & 3
1 and 3
The factors of 297 are 1, 3, 9, 11, 27, 33, 99, 297. For them to be common, they need to be compared to another set of factors.
Factors of 27: 1, 3, 9, 27 Factors of 28: 1, 2, 4, 7, 14, 28
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
The common factors are: 1, 3, 11, 33
The common factors of 33 and 77 are 1 and 11
Common factors of 99 and 33 are: 1, 3, 11, and 33.
Short answer: There are none. There is neither a greatest common factor nor common factors of a single number, such as 27, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. Examples: The common factors of 27 and 29 are only 1; the greatest common factor is 1. The common factors of 27 and 33 are 1 and 3; the greatest common factor is 3. The common factors of 27 and 45 are 1, 3, and 9; the greatest common factor is 9. The common factors of 27 and 81 are 1, 3, 9, and 27; the greatest common factor is 27.
33 = 3 * 1112 = 3 * 2 * 2So: 3.
The greatest common factor (GCF) of 27 and 33 is 3