Greatest Common Factor of 21, 54, 22, 34

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

• Greatest Common Factor of 21, 54, 22, 34 by common division method
• Greatest Common Factor of 21, 54, 22, 34 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 21

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

1,3,7,21

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 22

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

1,2,11,22

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Greatest Common Factor

We found the factors 21,54,22,34 . The biggest common factor number is the GCF number.
So the greatest common factor 21,54,22,34 is 1.

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

• GCF of 11, 66, 77, 31
• GCF of 21, 28, 25, 15
• GCF of 64, 15, 37, 75
• GCF of 69, 73, 61, 30
• GCF of 50, 94, 25, 31

1. What is the GCF of 21, 54, 22, 34?

Answer: GCF of 21, 54, 22, 34 is 1.

2. How to Find the GCF of 21, 54, 22, 34

Answer: Greatest Common Factor(GCF) of 21, 54, 22, 34 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 54, 22, 34) = 1.