Greatest Common Factor of 79, 91, 20, 122

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

• Greatest Common Factor of 79, 91, 20, 122 by common division method
• Greatest Common Factor of 79, 91, 20, 122 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 79

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

1,79

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 20

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

1,2,4,5,10,20

Factors of 122

List of positive integer factors of 122 that divides 122 without a remainder.

1,2,61,122

Greatest Common Factor

We found the factors 79,91,20,122 . The biggest common factor number is the GCF number.
So the greatest common factor 79,91,20,122 is 1.

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

• GCF of 90, 93, 50, 515
• GCF of 42, 63, 37, 546
• GCF of 84, 67, 19, 752
• GCF of 16, 28, 26, 365
• GCF of 84, 15, 88, 555

1. What is the GCF of 79, 91, 20, 122?

Answer: GCF of 79, 91, 20, 122 is 1.

2. How to Find the GCF of 79, 91, 20, 122

Answer: Greatest Common Factor(GCF) of 79, 91, 20, 122 = 1

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

Step 2: Then multiply all the prime factors GCF(79, 91, 20, 122) = 1.