Greatest Common Factor of 72, 97, 81

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

• Greatest Common Factor of 72, 97, 81 by common division method
• Greatest Common Factor of 72, 97, 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 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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

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 72,97,81 . The biggest common factor number is the GCF number.
So the greatest common factor 72,97,81 is 1.

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

• GCF of 69, 81, 36
• GCF of 72, 62, 49
• GCF of 94, 57, 95
• GCF of 37, 44, 52
• GCF of 69, 52, 51

1. What is the GCF of 72, 97, 81?

Answer: GCF of 72, 97, 81 is 1.

2. How to Find the GCF of 72, 97, 81

Answer: Greatest Common Factor(GCF) of 72, 97, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 97, 81) = 1.