Greatest Common Factor of 81, 12, 39, 252

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

• Greatest Common Factor of 81, 12, 39, 252 by common division method
• Greatest Common Factor of 81, 12, 39, 252 with matching the biggest common factor

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

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

Factors of 39

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

1,3,13,39

Factors of 252

List of positive integer factors of 252 that divides 252 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,28,36,42,63,84,126,252

Greatest Common Factor

We found the factors 81,12,39,252 . The biggest common factor number is the GCF number.
So the greatest common factor 81,12,39,252 is 3.

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

• GCF of 91, 33, 98, 383
• GCF of 90, 54, 94, 869
• GCF of 60, 16, 92, 409
• GCF of 85, 89, 78, 656
• GCF of 55, 30, 96, 715

1. What is the GCF of 81, 12, 39, 252?

Answer: GCF of 81, 12, 39, 252 is 3.

2. How to Find the GCF of 81, 12, 39, 252

Answer: Greatest Common Factor(GCF) of 81, 12, 39, 252 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 12, 39, 252) = 3.