Greatest Common Factor of 20, 85, 317

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

• Greatest Common Factor of 20, 85, 317 by common division method
• Greatest Common Factor of 20, 85, 317 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 317

List of positive integer factors of 317 that divides 317 without a remainder.

1,317

Greatest Common Factor

We found the factors 20,85,317 . The biggest common factor number is the GCF number.
So the greatest common factor 20,85,317 is 1.

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

• GCF of 96, 80, 857
• GCF of 97, 51, 426
• GCF of 26, 46, 374
• GCF of 40, 10, 664
• GCF of 22, 71, 901

1. What is the GCF of 20, 85, 317?

Answer: GCF of 20, 85, 317 is 1.

2. How to Find the GCF of 20, 85, 317

Answer: Greatest Common Factor(GCF) of 20, 85, 317 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 85, 317) = 1.