Greatest Common Factor of 20, 79, 89, 659

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

• Greatest Common Factor of 20, 79, 89, 659 by common division method
• Greatest Common Factor of 20, 79, 89, 659 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 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 659

List of positive integer factors of 659 that divides 659 without a remainder.

1,659

Greatest Common Factor

We found the factors 20,79,89,659 . The biggest common factor number is the GCF number.
So the greatest common factor 20,79,89,659 is 1.

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

• GCF of 50, 67, 84, 987
• GCF of 32, 66, 31, 824
• GCF of 89, 60, 92, 840
• GCF of 81, 11, 34, 173
• GCF of 91, 44, 32, 305

1. What is the GCF of 20, 79, 89, 659?

Answer: GCF of 20, 79, 89, 659 is 1.

2. How to Find the GCF of 20, 79, 89, 659

Answer: Greatest Common Factor(GCF) of 20, 79, 89, 659 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 79, 89, 659) = 1.