Greatest Common Factor of 84, 87, 20, 540

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

• Greatest Common Factor of 84, 87, 20, 540 by common division method
• Greatest Common Factor of 84, 87, 20, 540 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 20

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

1,2,4,5,10,20

Factors of 540

List of positive integer factors of 540 that divides 540 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540

Greatest Common Factor

We found the factors 84,87,20,540 . The biggest common factor number is the GCF number.
So the greatest common factor 84,87,20,540 is 1.

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

• GCF of 99, 30, 22, 525
• GCF of 80, 60, 39, 680
• GCF of 51, 93, 81, 778
• GCF of 53, 96, 15, 992
• GCF of 30, 55, 28, 780

1. What is the GCF of 84, 87, 20, 540?

Answer: GCF of 84, 87, 20, 540 is 1.

2. How to Find the GCF of 84, 87, 20, 540

Answer: Greatest Common Factor(GCF) of 84, 87, 20, 540 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 87, 20, 540) = 1.