Greatest Common Factor of 81, 69, 108

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

• Greatest Common Factor of 81, 69, 108 by common division method
• Greatest Common Factor of 81, 69, 108 with matching the biggest common factor

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

Factors of 81

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

1,3,9,27,81

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 108

List of positive integer factors of 108 that divides 108 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,108

Greatest Common Factor

We found the factors 81,69,108 . The biggest common factor number is the GCF number.
So the greatest common factor 81,69,108 is 3.

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

• GCF of 30, 92, 711
• GCF of 67, 50, 828
• GCF of 20, 26, 913
• GCF of 26, 43, 510
• GCF of 97, 65, 310

1. What is the GCF of 81, 69, 108?

Answer: GCF of 81, 69, 108 is 3.

2. How to Find the GCF of 81, 69, 108

Answer: Greatest Common Factor(GCF) of 81, 69, 108 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 69, 108) = 3.