Greatest Common Factor of 18, 6, 27, 72

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

• Greatest Common Factor of 18, 6, 27, 72 by common division method
• Greatest Common Factor of 18, 6, 27, 72 with matching the biggest common factor

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

Factors of 18

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

1,2,3,6,9,18

Factors of 6

List of positive integer factors of 6 that divides 6 without a remainder.

1,2,3,6

Factors of 27

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

1,3,9,27

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Greatest Common Factor

We found the factors 18,6,27,72 . The biggest common factor number is the GCF number.
So the greatest common factor 18,6,27,72 is 3.

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

• GCF of 13, 6, 85, 12
• GCF of 27, 9, 52, 39
• GCF of 83, 5, 49, 67
• GCF of 55, 7, 82, 47
• GCF of 77, 1, 58, 61

1. What is the GCF of 18, 6, 27, 72?

Answer: GCF of 18, 6, 27, 72 is 3.

2. How to Find the GCF of 18, 6, 27, 72

Answer: Greatest Common Factor(GCF) of 18, 6, 27, 72 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 6, 27, 72) = 3.