Greatest Common Factor of 39, 60, 81, 12

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

• Greatest Common Factor of 39, 60, 81, 12 by common division method
• Greatest Common Factor of 39, 60, 81, 12 with matching the biggest common factor

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

Factors of 39

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

1,3,13,39

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 81

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

1,3,9,27,81

Factors of 12

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

1,2,3,4,6,12

Greatest Common Factor

We found the factors 39,60,81,12 . The biggest common factor number is the GCF number.
So the greatest common factor 39,60,81,12 is 3.

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

• GCF of 80, 54, 31, 17
• GCF of 48, 96, 77, 98
• GCF of 80, 92, 74, 75
• GCF of 99, 29, 25, 23
• GCF of 86, 50, 98, 64

1. What is the GCF of 39, 60, 81, 12?

Answer: GCF of 39, 60, 81, 12 is 3.

2. How to Find the GCF of 39, 60, 81, 12

Answer: Greatest Common Factor(GCF) of 39, 60, 81, 12 = 3

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

Step 2: Then multiply all the prime factors GCF(39, 60, 81, 12) = 3.