Greatest Common Factor of 54, 72, 81

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

• Greatest Common Factor of 54, 72, 81 by common division method
• Greatest Common Factor of 54, 72, 81 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 54,72,81 . The biggest common factor number is the GCF number.
So the greatest common factor 54,72,81 is 9.

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

• GCF of 49, 60, 79
• GCF of 27, 69, 76
• GCF of 87, 96, 67
• GCF of 46, 35, 18
• GCF of 27, 13, 18

1. What is the GCF of 54, 72, 81?

Answer: GCF of 54, 72, 81 is 9.

2. How to Find the GCF of 54, 72, 81

Answer: Greatest Common Factor(GCF) of 54, 72, 81 = 9

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

Step 2: Then multiply all the prime factors GCF(54, 72, 81) = 9.