Greatest Common Factor of 81, 12, 171

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

• Greatest Common Factor of 81, 12, 171 by common division method
• Greatest Common Factor of 81, 12, 171 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 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 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 81,12,171 . The biggest common factor number is the GCF number.
So the greatest common factor 81,12,171 is 3.

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

• GCF of 91, 47, 810
• GCF of 12, 24, 534
• GCF of 52, 96, 466
• GCF of 94, 23, 839
• GCF of 32, 70, 137

1. What is the GCF of 81, 12, 171?

Answer: GCF of 81, 12, 171 is 3.

2. How to Find the GCF of 81, 12, 171

Answer: Greatest Common Factor(GCF) of 81, 12, 171 = 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, 171) = 3.