Greatest Common Factor of 20, 109, 570

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

• Greatest Common Factor of 20, 109, 570 by common division method
• Greatest Common Factor of 20, 109, 570 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 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Factors of 570

List of positive integer factors of 570 that divides 570 without a remainder.

1,2,3,5,6,10,15,19,30,38,57,95,114,190,285,570

Greatest Common Factor

We found the factors 20,109,570 . The biggest common factor number is the GCF number.
So the greatest common factor 20,109,570 is 1.

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

• GCF of 57, 893, 791
• GCF of 46, 707, 980
• GCF of 34, 268, 129
• GCF of 53, 488, 523
• GCF of 66, 225, 516

1. What is the GCF of 20, 109, 570?

Answer: GCF of 20, 109, 570 is 1.

2. How to Find the GCF of 20, 109, 570

Answer: Greatest Common Factor(GCF) of 20, 109, 570 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 109, 570) = 1.