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What is the greatest common factor for 21 and 36?
The factors of 21 are 1, 3, 7, and 21. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors they have in common are 1 and 3, the largest of which is 3, so 3 is the greatest common factor. Or, you can calculate the greatest common factor by looking at the prime factors. The prime factors of 21 are 3 and 7. The prime factors of 36 are 2, 2, 3, and 3. The prime factors they have in common are a single 3, so 3 is the greatest common factor.
What are the common factors of 9 and 63?
1,3 and 9 are common factors.
What are the common factors of 9 and 36?
The common factors of 9 and 36 are: 1, 3, and 9
What are the common factors of 15 and 21?
The factors of 15 are 3 and 5. The factors of 21 are 3 and 7. So the common factor is 3.
What is the GCF of 105 and 441?
The factors of 105 are:1, 3, 5, 7, 15, 21, 35, 105The factors of 441 are:1, 3, 7, 9, 21, 49, 63, 147, 441The common factors are:1, 3, 7, 21The Greatest Common Factor (GCF) is:21
What are the common factors of 9 21 and 24?
The common factors of 9, 21, and 24 are: 1 and 3
What are commen factors of 9 and 21?
1 and 3 are common factors of 9 and 21
What are the first three common factors of 9 and 21?
9 and 21 only have two common factors: 1 and 3.
What is the least common factor of 9 and 21?
Answer: 1 The factors of 9 are 1, 3, and 9. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3; the least (smallest) common factor is 1.
What are all the common factors of 9 21 and 63?
The common factors of 6, 21, and 39 are 1 and 3
What is the common factor 9 and 21?
1 and 3 are both common factors of 9 and 21.
What is the greatest common factor of 9and18 and 21?
The greatest common factor is 3: Factors of 9: 1, 3, 9 Factors of 18: 1, 2, 3, 6, 9, 18 Factors of 21: 1, 3, 7, 21 The two common factors are 1 and 3 and the greatest of these two is 3.
What is the common factor of 21 and 9?
They both have 1 and 3 as common factors
What are all the common factors of 21 and 9?
1 and 3 are.
Do 9 and 21 have any common factors?
1 and 3
What are all the factors in 21 and 27?
The factors of 21 are: 1, 3, 7, 21.The factors of 27 are: 1, 3, 9, 27.The common factors are: 1, 3
What is the greatest common factor of 9 21 and 54?
They are 1 and 3 .Note: Those are also the least common factors of 9, 21, and 54 .
