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What is a common factor of 20 and 30?

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What is a common factor of 20 and 30?

There are 4 common factors of 20 and 30, that are 1, 2, 10, and 5. Therefore, the greatest common factor of 20 and 30 is 10.

What are the common factors of 31?

The factors of 31 are 1 and 31. It’s only expressed as 31 × 1 or 1 × 31. Hence, 31 is a prime number.

What are the common factors of 20 and 32?

There are 3 common factors of 20 and 32, that are 1, 2, and 4. Therefore, the greatest common factor of 20 and 32 is 4.

What are the common factors of 31 and 36?

What is the Greatest Common Factor?

  • Factors for 31: 1 and 31.
  • Factors for 36: 1, 2, 3, 4, 6, 9, 12, 18, and 36.

What are the common factors of 20 32 and 40?

Greatest common factor (GCF)

  • Step by Step Solution. Calculate Greatest Common Factor for : 20, 32 and 40. Factorize of the above numbers : 20 = 22 • 5. 32 = 25 40 = 23 • 5. Build a prime factors table. Number of times each prime factor. appears in the factorization of : Prime.
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What is the least common multiple of 20 and 32?

160
Answer: LCM of 20 and 32 is 160.

Which is the greatest common factor of 20 and 31?

Greatest common factor (GCF) of 20 and 31 is 1. GCF(20,31) = 1.

Which is the greatest prime factor of 20?

Prime factors of 20 are 2, 5. Prime factorization of 20 in exponential form is: Prime factors of 31 are 31. Prime factorization of 31 in exponential form is: List of positive integer factors of 20 that divides 20 without a remainder. List of positive integer factors of 31 that divides 20 without a remainder.

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.

How to find the common factors of numbers?

Find the Common Factors of: enter whole numbers separated by commas. Answer: The common factors are: 1, 2, 4, 8. The Greatest Common Factor: GCF = 8. Solution. The factors of 16 are: