Greatest Common Factor of 54, 28, 20, 668

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

• Greatest Common Factor of 54, 28, 20, 668 by common division method
• Greatest Common Factor of 54, 28, 20, 668 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 20

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

1,2,4,5,10,20

Factors of 668

List of positive integer factors of 668 that divides 668 without a remainder.

1,2,4,167,334,668

Greatest Common Factor

We found the factors 54,28,20,668 . The biggest common factor number is the GCF number.
So the greatest common factor 54,28,20,668 is 2.

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

• GCF of 19, 65, 56, 213
• GCF of 60, 53, 45, 911
• GCF of 90, 97, 26, 286
• GCF of 65, 58, 18, 798
• GCF of 32, 53, 50, 251

1. What is the GCF of 54, 28, 20, 668?

Answer: GCF of 54, 28, 20, 668 is 2.

2. How to Find the GCF of 54, 28, 20, 668

Answer: Greatest Common Factor(GCF) of 54, 28, 20, 668 = 2

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

Step 2: Then multiply all the prime factors GCF(54, 28, 20, 668) = 2.