Greatest Common Factor of 22, 79, 21, 31

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

• Greatest Common Factor of 22, 79, 21, 31 by common division method
• Greatest Common Factor of 22, 79, 21, 31 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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 79

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

1,79

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Greatest Common Factor

We found the factors 22,79,21,31 . The biggest common factor number is the GCF number.
So the greatest common factor 22,79,21,31 is 1.

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

• GCF of 92, 18, 94, 69
• GCF of 69, 96, 92, 30
• GCF of 39, 10, 64, 61
• GCF of 93, 74, 73, 63
• GCF of 95, 69, 99, 77

1. What is the GCF of 22, 79, 21, 31?

Answer: GCF of 22, 79, 21, 31 is 1.

2. How to Find the GCF of 22, 79, 21, 31

Answer: Greatest Common Factor(GCF) of 22, 79, 21, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(22, 79, 21, 31) = 1.