Greatest Common Factor of 51, 39, 27, 81

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

• Greatest Common Factor of 51, 39, 27, 81 by common division method
• Greatest Common Factor of 51, 39, 27, 81 with matching the biggest common factor

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∴ 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 39

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

1,3,13,39

Factors of 27

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

1,3,9,27

Factors of 81

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

1,3,9,27,81

Greatest Common Factor

We found the factors 51,39,27,81 . The biggest common factor number is the GCF number.
So the greatest common factor 51,39,27,81 is 3.

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

• GCF of 65, 60, 23, 35
• GCF of 73, 45, 23, 31
• GCF of 93, 92, 13, 40
• GCF of 26, 37, 23, 65
• GCF of 73, 66, 90, 85

1. What is the GCF of 51, 39, 27, 81?

Answer: GCF of 51, 39, 27, 81 is 3.

2. How to Find the GCF of 51, 39, 27, 81

Answer: Greatest Common Factor(GCF) of 51, 39, 27, 81 = 3

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

Step 2: Then multiply all the prime factors GCF(51, 39, 27, 81) = 3.