Greatest Common Factor of 20, 56, 231

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 20, 56, 231 by common division method
• Greatest Common Factor of 20, 56, 231 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1,3,7,11,21,33,77,231

Greatest Common Factor

We found the factors 20,56,231 . The biggest common factor number is the GCF number.
So the greatest common factor 20,56,231 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 56, 77, 491
• GCF of 65, 15, 688
• GCF of 88, 99, 934
• GCF of 26, 77, 311
• GCF of 78, 83, 388

1. What is the GCF of 20, 56, 231?

Answer: GCF of 20, 56, 231 is 1.

2. How to Find the GCF of 20, 56, 231

Answer: Greatest Common Factor(GCF) of 20, 56, 231 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(20, 56, 231) = 1.