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What is the GCF of 20 and 81?

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What is the GCF of 20 and 81?

The GCF of 20 and 81 is 1.

What is the GCF of 13 and 39?

13
Answer: GCF of 13 and 39 is 13.

What is the lowest common multiple and the highest common factor for 100 and 132?

The LCM of 100 and 132 is 3300.

How do you find the highest common factor of 100 and 132?

What is the GCF of 100 and 132?

  1. Find the prime factorization of 100. 100 = 2 × 2 × 5 × 5.
  2. Find the prime factorization of 132. 132 = 2 × 2 × 3 × 11.
  3. Therefore, GCF = 2 × 2.
  4. GCF = 4.

What is the greatest common factor of 45 and 81?

9
Therefore, the greatest common factor of 45 and 81 is 9. Example 3: The product of two numbers is 3645.

Which is the greatest common factor for 8, 12, 20?

separated by commas or spaces. Answer: GCF = 4. for the values 8, 12, 20. Solution by Factorization: The factors of 8 are: 1, 2, 4, 8. The factors of 12 are: 1, 2, 3, 4, 6, 12. The factors of 20 are: 1, 2, 4, 5, 10, 20. Then the greatest common factor is 4.

Which is the largest common factor of 27, 54 and 81?

81. 1, 3, 9, 27, 81. Each of the numbers can be divided by 1, 3, 9, and 27, so you can say that these numbers are common factors of the set of numbers 27, 54, and 81. The largest of the common factors is 27, so you can say that 27 is the greatest common factor of 27, 54, and 81.

Which is the greatest common factor of 20, 50 and 120?

The common factors of 20, 50 and 120 are 1, 2, 5 and 10. (Include only the factors common to all three numbers.) The greatest common factor of 20, 50 and 120 is 10.

How to find the greatest common factor of 3 numbers?

In other words, the GCF of 3 or more numbers can be found by finding the GCF of 2 numbers and using the result along with the next number to find the GCF and so on. So, the greatest common factor of 120 and 50 is 10. Now let’s find the GCF of our third value, 20, and our result, 10. GCF (20,10)