Greatest Common Factor of 72, 81, 57, 164

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

• Greatest Common Factor of 72, 81, 57, 164 by common division method
• Greatest Common Factor of 72, 81, 57, 164 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 81

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

1,3,9,27,81

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 164

List of positive integer factors of 164 that divides 164 without a remainder.

1,2,4,41,82,164

Greatest Common Factor

We found the factors 72,81,57,164 . The biggest common factor number is the GCF number.
So the greatest common factor 72,81,57,164 is 1.

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

• GCF of 86, 71, 75, 101
• GCF of 11, 87, 86, 987
• GCF of 31, 14, 16, 313
• GCF of 23, 10, 89, 981
• GCF of 98, 26, 92, 472

1. What is the GCF of 72, 81, 57, 164?

Answer: GCF of 72, 81, 57, 164 is 1.

2. How to Find the GCF of 72, 81, 57, 164

Answer: Greatest Common Factor(GCF) of 72, 81, 57, 164 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 81, 57, 164) = 1.