Greatest Common Factor of 81, 72, 109

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

• Greatest Common Factor of 81, 72, 109 by common division method
• Greatest Common Factor of 81, 72, 109 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 81

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

1,3,9,27,81

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 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Greatest Common Factor

We found the factors 81,72,109 . The biggest common factor number is the GCF number.
So the greatest common factor 81,72,109 is 1.

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

• GCF of 24, 94, 987
• GCF of 82, 22, 608
• GCF of 24, 79, 188
• GCF of 66, 73, 496
• GCF of 58, 98, 299

1. What is the GCF of 81, 72, 109?

Answer: GCF of 81, 72, 109 is 1.

2. How to Find the GCF of 81, 72, 109

Answer: Greatest Common Factor(GCF) of 81, 72, 109 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 72, 109) = 1.