Greatest Common Factor of 82, 39, 28, 81

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

• Greatest Common Factor of 82, 39, 28, 81 by common division method
• Greatest Common Factor of 82, 39, 28, 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 82

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

1,2,41,82

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

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 82,39,28,81 . The biggest common factor number is the GCF number.
So the greatest common factor 82,39,28,81 is 1.

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

• GCF of 92, 50, 86, 12
• GCF of 84, 36, 57, 91
• GCF of 41, 65, 14, 91
• GCF of 86, 46, 51, 66
• GCF of 92, 35, 34, 22

1. What is the GCF of 82, 39, 28, 81?

Answer: GCF of 82, 39, 28, 81 is 1.

2. How to Find the GCF of 82, 39, 28, 81

Answer: Greatest Common Factor(GCF) of 82, 39, 28, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(82, 39, 28, 81) = 1.