Greatest Common Factor of 12, 89, 20, 422

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

• Greatest Common Factor of 12, 89, 20, 422 by common division method
• Greatest Common Factor of 12, 89, 20, 422 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 89

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

1,89

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 422

List of positive integer factors of 422 that divides 422 without a remainder.

1,2,211,422

Greatest Common Factor

We found the factors 12,89,20,422 . The biggest common factor number is the GCF number.
So the greatest common factor 12,89,20,422 is 1.

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

• GCF of 72, 32, 22, 770
• GCF of 44, 91, 95, 657
• GCF of 56, 65, 95, 164
• GCF of 40, 15, 99, 362
• GCF of 90, 98, 14, 595

1. What is the GCF of 12, 89, 20, 422?

Answer: GCF of 12, 89, 20, 422 is 1.

2. How to Find the GCF of 12, 89, 20, 422

Answer: Greatest Common Factor(GCF) of 12, 89, 20, 422 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 89, 20, 422) = 1.