Greatest Common Factor of 57, 81, 82, 27, 80

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

• Greatest Common Factor of 57, 81, 82, 27, 80 by common division method
• Greatest Common Factor of 57, 81, 82, 27, 80 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 57

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

1,3,19,57

Factors of 81

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

1,3,9,27,81

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 57,81,82,27,80 . The biggest common factor number is the GCF number.
So the greatest common factor 57,81,82,27,80 is 1.

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

• GCF of 20, 56, 61, 49, 79
• GCF of 78, 20, 75, 18, 62
• GCF of 71, 76, 37, 59, 96
• GCF of 82, 23, 89, 74, 11
• GCF of 74, 61, 26, 60, 16

1. What is the GCF of 57, 81, 82, 27, 80?

Answer: GCF of 57, 81, 82, 27, 80 is 1.

2. How to Find the GCF of 57, 81, 82, 27, 80

Answer: Greatest Common Factor(GCF) of 57, 81, 82, 27, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(57, 81, 82, 27, 80) = 1.