Greatest Common Factor of 51, 54, 81, 18

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

• Greatest Common Factor of 51, 54, 81, 18 by common division method
• Greatest Common Factor of 51, 54, 81, 18 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 81

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

1,3,9,27,81

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 51,54,81,18 . The biggest common factor number is the GCF number.
So the greatest common factor 51,54,81,18 is 3.

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

• GCF of 27, 76, 43, 62
• GCF of 83, 34, 11, 48
• GCF of 70, 50, 94, 94
• GCF of 78, 85, 22, 39
• GCF of 37, 30, 95, 85

1. What is the GCF of 51, 54, 81, 18?

Answer: GCF of 51, 54, 81, 18 is 3.

2. How to Find the GCF of 51, 54, 81, 18

Answer: Greatest Common Factor(GCF) of 51, 54, 81, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(51, 54, 81, 18) = 3.