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What are the common prime factors of 45 and 108?
Just 3.
What is the greatest common factor of 10 and 45?
The GCF of 10 and 45 is 5 The factors of 10 are 1, 2, 5, and 10. The factors of 45 are 1, 3, 5, 9, 15, and 45. The largest factor they have in common is 5, so 5 is the greatest common factor. Or, you can use prime factors. The prime factors of 10 are 2 and 5. The prime factors of 45 are 3, 3, and 5. The prime factors they have in common are a single 5, so 5 is the greatest common factor.
What is the greatest common factor of 8 and 45?
The greatest common factor of 8 and 45 is 1. The numbers 8 and 45 have no prime factors in common.
What is the greatest common factor of 21 and 45?
The GCF of 21 and 45 is 3. One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 21 are 1, 3, 7, and 21. The factors of 45 are 1, 3, 5, 9, 15, and 45. The common factors are 1 and 3. Therefore, the greatest common factor is 3. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 21 are 3 and 7. The prime factors of 45 are 3, 3, and 5. The prime factors in common are a single 3, so the greatest common factor is 3.
Is 3 the greatest common factor of 27 and 45?
No. Prime factors of 27: 3 3 3 Prime factors of 45: 3 3 5 Both have two factors of 3, so the greatest common factor is 9.
What is the positive difference between the greatest and least prime factors of 564?
45
What is the greatest common factor of 32 and 45?
The GCF of 32 and 45 is 1. One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 32 are 1, 2, 4, 8, 16, and 32. The factors of 45 are 1, 3, 5, 9, 15, and 45. The common factors are 1. Therefore, 1 is the greatest common factor, which means they are relatively prime. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 32 are 2, 2, 2, 2, and 2. The prime factors of 45 are 3, 3, and 5. They have no prime factors in common, so they are relatively prime.
What is the greatest common factor of 45 and 108?
The GCF of 108 and 45 is 9.
What are the common factors of 45 and 108?
The common factors of 45 and 108 are: 1, 3 & 9.
What is the greatest common factor of 45 72 and 108?
The GCF of 45 72 and 108 is 9
What is the greatest common factor of 45 and 76?
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 45 are 1, 3, 5, 9, 15, and 45.The factors of 76 are 1, 2, 4, 19, 38, and 76.The common factors are a single 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 45 are 3, 3, and 5.The prime factors of 76 are 2, 2, and 19.There are no prime factors in common, so the numbers are relatively prime, which means the greatest common factor is 1.The GCF of 45 and 76 is 1. 45 and 76 have no factors in common aside from 1. However, this is unhelpful for simplification.
What is the greatest common factor for 45 and 60?
The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. The common factors are 1, 3, 5, and 15. Therefore, the greatest common factor is 15. You can also determine the greatest common factor from the prime factors. The prime factors of 45 are 3, 3, and 5. The prime factors of 60 are 2, 2, 3, and 5. The common prime factors are 3 and 5, so the greatest common factor is 3 x 5 = 15.
