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The factors of 21 are 1, 3, 7, 21. 3 and 7 are prime.
The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36. 2 and 3 are prime.
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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 is the HCF of 21 and 36?
To find this, you first need to split the numbers down into their prime factors. In this case you get: 21 = 3x7 36 = 2x2x3x3 The next step is to identify any common prime factors. In this case the only common prime factor is 3. Therefore the HCF of 21 and 36 is 3.
Which of the factors of 36 are prime numbers and explain how you know?
2 and 3 are the prime factors of 36. Of the factors of 36, 2 and 3 are the only prime numbers.
What are the prime factors of 36 and 60?
Prime factors of 36 are 2 and 3 Prime factors of 60 are 2, 3 and 5
What is the highest 4 prime factors of 36?
The prime factors of 36 are: 2*2*3*3 =36. So there are only 4 prime factors at all.
What is the common prime factors of 36?
The prime factors of 36 are 2 and 3. To be common, they need to be compared to another set of prime factors.
How do you get the sum of the prime factors of 36?
The prime factors of 36 are 2 and 3. Add them together.
Can you use the factors of 36 to find the factors of 360?
Yes. Since 36 x 10 = 360, combine the prime factors of 36 with the prime factors of 10.
What are the factors and prime factors 36?
factors: 1,2,3,4,6,9,12,18,36 prime factors: 2 & 3
What is a prime number of 36?
2 and 3 are prime factors of 36.
What are the prime numbers of 36?
Prime factors of 36 are 2 and 3
What and the prime factor of 36?
The prime factors of 36 are 2 & 3
