Greatest Common Factor of 54, 91, 36, 20

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

• Greatest Common Factor of 54, 91, 36, 20 by common division method
• Greatest Common Factor of 54, 91, 36, 20 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 54

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

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

Factors of 91

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

1,7,13,91

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 54,91,36,20 . The biggest common factor number is the GCF number.
So the greatest common factor 54,91,36,20 is 1.

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

• GCF of 17, 41, 41, 95
• GCF of 81, 19, 66, 39
• GCF of 25, 71, 20, 32
• GCF of 31, 55, 68, 91
• GCF of 87, 19, 79, 50

1. What is the GCF of 54, 91, 36, 20?

Answer: GCF of 54, 91, 36, 20 is 1.

2. How to Find the GCF of 54, 91, 36, 20

Answer: Greatest Common Factor(GCF) of 54, 91, 36, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(54, 91, 36, 20) = 1.