Greatest Common Factor of 12, 81, 52, 18

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

• Greatest Common Factor of 12, 81, 52, 18 by common division method
• Greatest Common Factor of 12, 81, 52, 18 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 12,81,52,18 . The biggest common factor number is the GCF number.
So the greatest common factor 12,81,52,18 is 1.

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

• GCF of 38, 12, 80, 43
• GCF of 47, 94, 46, 36
• GCF of 70, 47, 28, 76
• GCF of 76, 24, 44, 50
• GCF of 53, 46, 20, 10

1. What is the GCF of 12, 81, 52, 18?

Answer: GCF of 12, 81, 52, 18 is 1.

2. How to Find the GCF of 12, 81, 52, 18

Answer: Greatest Common Factor(GCF) of 12, 81, 52, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 81, 52, 18) = 1.