Greatest Common Factor of 20, 71, 68, 591

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

• Greatest Common Factor of 20, 71, 68, 591 by common division method
• Greatest Common Factor of 20, 71, 68, 591 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 591

List of positive integer factors of 591 that divides 591 without a remainder.

1,3,197,591

Greatest Common Factor

We found the factors 20,71,68,591 . The biggest common factor number is the GCF number.
So the greatest common factor 20,71,68,591 is 1.

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

• GCF of 53, 91, 51, 914
• GCF of 84, 97, 13, 110
• GCF of 82, 51, 26, 550
• GCF of 15, 94, 53, 303
• GCF of 67, 38, 56, 740

1. What is the GCF of 20, 71, 68, 591?

Answer: GCF of 20, 71, 68, 591 is 1.

2. How to Find the GCF of 20, 71, 68, 591

Answer: Greatest Common Factor(GCF) of 20, 71, 68, 591 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 71, 68, 591) = 1.