Greatest Common Factor of 13, 22, 20, 11

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

• Greatest Common Factor of 13, 22, 20, 11 by common division method
• Greatest Common Factor of 13, 22, 20, 11 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 22

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

1,2,11,22

Factors of 20

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

1,2,4,5,10,20

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Greatest Common Factor

We found the factors 13,22,20,11 . The biggest common factor number is the GCF number.
So the greatest common factor 13,22,20,11 is 1.

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

• GCF of 82, 36, 86, 86
• GCF of 12, 90, 47, 10
• GCF of 58, 89, 90, 56
• GCF of 83, 65, 29, 19
• GCF of 11, 99, 10, 36

1. What is the GCF of 13, 22, 20, 11?

Answer: GCF of 13, 22, 20, 11 is 1.

2. How to Find the GCF of 13, 22, 20, 11

Answer: Greatest Common Factor(GCF) of 13, 22, 20, 11 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 22, 20, 11) = 1.