Greatest Common Factor of 81, 138, 147

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

• Greatest Common Factor of 81, 138, 147 by common division method
• Greatest Common Factor of 81, 138, 147 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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 147

List of positive integer factors of 147 that divides 147 without a remainder.

1,3,7,21,49,147

Greatest Common Factor

We found the factors 81,138,147 . The biggest common factor number is the GCF number.
So the greatest common factor 81,138,147 is 3.

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

• GCF of 87, 752, 769
• GCF of 80, 535, 543
• GCF of 56, 348, 482
• GCF of 94, 111, 914
• GCF of 96, 229, 760

1. What is the GCF of 81, 138, 147?

Answer: GCF of 81, 138, 147 is 3.

2. How to Find the GCF of 81, 138, 147

Answer: Greatest Common Factor(GCF) of 81, 138, 147 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 138, 147) = 3.