Greatest Common Factor of 84, 39, 18, 120

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

• Greatest Common Factor of 84, 39, 18, 120 by common division method
• Greatest Common Factor of 84, 39, 18, 120 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 39

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

1,3,13,39

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

Greatest Common Factor

We found the factors 84,39,18,120 . The biggest common factor number is the GCF number.
So the greatest common factor 84,39,18,120 is 3.

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

• GCF of 72, 46, 27, 953
• GCF of 89, 35, 36, 956
• GCF of 20, 88, 13, 826
• GCF of 78, 53, 41, 853
• GCF of 12, 66, 26, 454

1. What is the GCF of 84, 39, 18, 120?

Answer: GCF of 84, 39, 18, 120 is 3.

2. How to Find the GCF of 84, 39, 18, 120

Answer: Greatest Common Factor(GCF) of 84, 39, 18, 120 = 3

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

Step 2: Then multiply all the prime factors GCF(84, 39, 18, 120) = 3.