Greatest Common Factor of 89, 72, 81

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

• Greatest Common Factor of 89, 72, 81 by common division method
• Greatest Common Factor of 89, 72, 81 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 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

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 89,72,81 . The biggest common factor number is the GCF number.
So the greatest common factor 89,72,81 is 1.

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

• GCF of 65, 34, 66
• GCF of 71, 62, 99
• GCF of 92, 77, 53
• GCF of 88, 26, 10
• GCF of 43, 59, 71

1. What is the GCF of 89, 72, 81?

Answer: GCF of 89, 72, 81 is 1.

2. How to Find the GCF of 89, 72, 81

Answer: Greatest Common Factor(GCF) of 89, 72, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 72, 81) = 1.