The factors of 45 are:
1, 3, 5, 9, 15, 45
The factors of 72 are:
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
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The common factors of 45 and 72 are: 1, 3, and 9
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72Factors of 45: 1, 3, 5, 9, 15, 45GCF (72, 45) = 9
The factors of 27 are:1, 3, 9, 27The factors of 45 are:1, 3, 5, 9, 15, 45The 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 factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The common factors are 1, 2, 3, 6, 9, and 18.
The highest common factor (HCF) of 45 and 72 is the largest number that divides both 45 and 72 without leaving a remainder. To find the HCF, you can use methods like prime factorization or the Euclidean algorithm. In this case, the prime factorization of 45 is 3 x 3 x 5 and the prime factorization of 72 is 2 x 2 x 2 x 3 x 3. The common factors between 45 and 72 are 3 and 9 (3 x 3), so the HCF of 45 and 72 is 9.