Greatest Common Factor of 84, 18, 27, 90

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

• Greatest Common Factor of 84, 18, 27, 90 by common division method
• Greatest Common Factor of 84, 18, 27, 90 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 18

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

1,2,3,6,9,18

Factors of 27

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

1,3,9,27

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 84,18,27,90 . The biggest common factor number is the GCF number.
So the greatest common factor 84,18,27,90 is 3.

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

• GCF of 63, 39, 12, 29
• GCF of 96, 35, 79, 43
• GCF of 13, 67, 67, 32
• GCF of 36, 11, 98, 70
• GCF of 42, 55, 89, 75

1. What is the GCF of 84, 18, 27, 90?

Answer: GCF of 84, 18, 27, 90 is 3.

2. How to Find the GCF of 84, 18, 27, 90

Answer: Greatest Common Factor(GCF) of 84, 18, 27, 90 = 3

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

Step 2: Then multiply all the prime factors GCF(84, 18, 27, 90) = 3.