1, 3 and 9
The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 27 are 1, 3, 9, and 27 The factors of 99 are 1, 3, 9, 11, 33, and 99
The LCM of 18, 27, and 99 is 594
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 GCF is 9.
Prime factors of 99 in exponents: 32 and 11 Prime factors of 18 in exponents: 2 and 32 Mutiply all the highest prime factors: 2*32*11 = 198 which is the least common multiple of 99 and 18
The factors of 27 are: 1, 3, 9, 27 The factors of 99 are: 1, 3, 9, 11, 33, 99
The GCF of 18, 27, and 99 is 9. The prime factorization of 18 is 2*3*3. The prime factorization of 27 is 3*3*3 The prime factorization of 99 is 3*3*11 So the GCF = 3*3 = 9.
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.
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
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 55 and 99 are: 1 and 11
The GCF of 18, 27, and 78 is 3.18=2*3*327=3*3*378=2*3*13GCF=3