The common factors of 16 and 72 are 1, 2, 4, 8
The GCF is 8.
The GCF is 4.
1, 2, 4, 8
The factors of 16 are 1, 2, 4, 8, and 16. The factors of 38 are 1, 2, 19, and 38. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The factors common to all three are 1 and 2. Therefore, the greatest common factor is 2. The greatest common factor can also be determined from the prime factors. The prime factors of 16 are 2, 2, 2, and 2. The prime factors of 38 are 2 and 19. The prime factors of 72 are 2, 2, 2, 3, and 3. The prime factors they have in common are a single 2, so 2 is the greatest common factor.
The common factors of 48, 72, and 112 are the numbers that can evenly divide each of these numbers without leaving a remainder. To find the common factors, you can first list the factors of each number. The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The factors of 112 are 1, 2, 4, 7, 8, 14, 16, 28, 56, and 112. The common factors of 48, 72, and 112 are 1, 2, 4, 8, and 16.
1, 2 and 4
The common factors of 72 and 123 are: 1 and 3
The common factors of 72 and 86 are: 1 and 2
Common factors of 81 and 72 are: 1, 3, and 9.
Since 12 is a factor of 72, all of its factors are common.
The common factors of 72 and 81 are: 1, 3, and 9