Greatest Common Factor of 189, 147, 81

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

• Greatest Common Factor of 189, 147, 81 by common division method
• Greatest Common Factor of 189, 147, 81 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 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Factors of 147

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

1,3,7,21,49,147

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 189,147,81 . The biggest common factor number is the GCF number.
So the greatest common factor 189,147,81 is 3.

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

• GCF of 277, 751, 97
• GCF of 879, 513, 28
• GCF of 759, 117, 66
• GCF of 359, 578, 75
• GCF of 205, 346, 40

1. What is the GCF of 189, 147, 81?

Answer: GCF of 189, 147, 81 is 3.

2. How to Find the GCF of 189, 147, 81

Answer: Greatest Common Factor(GCF) of 189, 147, 81 = 3

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

Step 2: Then multiply all the prime factors GCF(189, 147, 81) = 3.