Greatest Common Factor of 20, 120, 817

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

• Greatest Common Factor of 20, 120, 817 by common division method
• Greatest Common Factor of 20, 120, 817 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 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

Factors of 817

List of positive integer factors of 817 that divides 817 without a remainder.

1,19,43,817

Greatest Common Factor

We found the factors 20,120,817 . The biggest common factor number is the GCF number.
So the greatest common factor 20,120,817 is 1.

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

• GCF of 29, 261, 172
• GCF of 74, 655, 619
• GCF of 24, 146, 310
• GCF of 13, 870, 510
• GCF of 95, 928, 502

1. What is the GCF of 20, 120, 817?

Answer: GCF of 20, 120, 817 is 1.

2. How to Find the GCF of 20, 120, 817

Answer: Greatest Common Factor(GCF) of 20, 120, 817 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 120, 817) = 1.