The common factors of 72 and 27 are: 1, 3, and 9
The common factors of 45 and 72 are: 1, 3, and 9
Common factors of 81 and 72 are: 1, 3, and 9.
The common factors of 72 and 81 are: 1, 3, and 9
The common factors of 72 and 99 are 1, 3, and 9
Since 39 is a factor of 78, all of its factors are common.
The greatest common factor (GCF) of 27 and 72 is 9. The common factors of 27 and 72 are 1, 3, and 9. Methods: 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 27 are 1, 3, 9, and 27. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The common factors are 1, 3, and 9. Therefore, the greatest common factor is 9. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 27 are 3, 3, and 3. The prime factors of 72 are 2, 2, 2, 3, and 3. The prime factors in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.
The common factors are: 1, 3, 9
The GCF of 63 and 72 is 9.The factors of 63 are: 1, 3, 7, 9, 21, 63The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9
The Greatest Common Factor of 9, 36, 72: 9
1,3,9 are the common factors, and 9 is the GCF.
The common factors of 36, 72, and 90 are: 1, 2, 3, 6, 9, and 18