Greatest Common Factor of 121, 189, 81

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

• Greatest Common Factor of 121, 189, 81 by common division method
• Greatest Common Factor of 121, 189, 81 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

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 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 121,189,81 . The biggest common factor number is the GCF number.
So the greatest common factor 121,189,81 is 1.

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

• GCF of 153, 107, 71
• GCF of 820, 304, 17
• GCF of 957, 389, 45
• GCF of 744, 110, 63
• GCF of 950, 963, 74

1. What is the GCF of 121, 189, 81?

Answer: GCF of 121, 189, 81 is 1.

2. How to Find the GCF of 121, 189, 81

Answer: Greatest Common Factor(GCF) of 121, 189, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(121, 189, 81) = 1.