Greatest Common Factor of 81, 36, 28, 543

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

• Greatest Common Factor of 81, 36, 28, 543 by common division method
• Greatest Common Factor of 81, 36, 28, 543 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 81

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

1,3,9,27,81

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 28

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

1,2,4,7,14,28

Factors of 543

List of positive integer factors of 543 that divides 543 without a remainder.

1,3,181,543

Greatest Common Factor

We found the factors 81,36,28,543 . The biggest common factor number is the GCF number.
So the greatest common factor 81,36,28,543 is 1.

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

• GCF of 70, 72, 20, 568
• GCF of 17, 85, 33, 328
• GCF of 70, 46, 26, 563
• GCF of 63, 29, 34, 808
• GCF of 50, 84, 33, 294

1. What is the GCF of 81, 36, 28, 543?

Answer: GCF of 81, 36, 28, 543 is 1.

2. How to Find the GCF of 81, 36, 28, 543

Answer: Greatest Common Factor(GCF) of 81, 36, 28, 543 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 36, 28, 543) = 1.