Greatest Common Factor of 45, 20, 27, 543

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

• Greatest Common Factor of 45, 20, 27, 543 by common division method
• Greatest Common Factor of 45, 20, 27, 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 27

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

1,3,9,27

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 45,20,27,543 . The biggest common factor number is the GCF number.
So the greatest common factor 45,20,27,543 is 1.

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

• GCF of 62, 63, 60, 631
• GCF of 19, 87, 61, 497
• GCF of 38, 56, 95, 136
• GCF of 48, 77, 84, 741
• GCF of 50, 87, 82, 139

1. What is the GCF of 45, 20, 27, 543?

Answer: GCF of 45, 20, 27, 543 is 1.

2. How to Find the GCF of 45, 20, 27, 543

Answer: Greatest Common Factor(GCF) of 45, 20, 27, 543 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 20, 27, 543) = 1.