The factors of 54 are:
1, 2, 3, 6, 9, 18, 27, 54
The factors of 63 are:
1, 3, 7, 9, 21, 63
The factors of 99 are:
1, 3, 9, 11, 33, 99
The common factors of 54 and 63 are: 1, 3, and 9
The GCF of 54 and 63 is 9 The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54. The factors of 63 are 1, 3, 7, 9, 21, and 63. The factors they have in common are 1, 3, and 9. Therefore, 9 is the greatest common factor. The factors can also be determined from the prime factors. The prime factors of 54 are 2, 3, 3, and 3. The prime factors of 63 are 3, 3, and 7. The prime factors they have in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.
9, 18, 27, 36, 45, 54, 63, 72, 8190, 99, 108, 117, 126, 1359, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135
The greatest common factor of 63, 81, and 99 is 9.The prime factorization of 63 is 7*9.The prime factorization of 81 is 9*9.The prime factorization of 99 is 11*9.Thus, the greatest of the common factors of 9.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
The common factors of 54 and 63 are: 1, 3, and 9
For 63 it is 3 and 7. For 99 it is 3 and 11.
The factors of 45 are: 1, 3, 5, 9, 15, 45 The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54 The factors of 99 are: 1, 3, 9, 11, 33, 99
54 and 99 are not prime numbers because they have more than two factors.
The GCF of 54 and 63 is 9 The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54. The factors of 63 are 1, 3, 7, 9, 21, and 63. The factors they have in common are 1, 3, and 9. Therefore, 9 is the greatest common factor. The factors can also be determined from the prime factors. The prime factors of 54 are 2, 3, 3, and 3. The prime factors of 63 are 3, 3, and 7. The prime factors they have in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.
1, 3 and 9
The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54 The factors of 63 are: 1, 3, 7, 9, 21, 63
126 and -63 42 and 21 54 and 9
1, 2, 3, 6, 9, 18, 27, 54 1, 3, 7, 9, 21, 63
1, 3 and 9
54, 63, 72, 81, 90, 99.
They are: 54, 63, 72, 81, 90, 99.