Greatest Common Factor of 17, 81, 11, 189

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

• Greatest Common Factor of 17, 81, 11, 189 by common division method
• Greatest Common Factor of 17, 81, 11, 189 with matching the biggest common factor

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

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 189

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

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

Greatest Common Factor

We found the factors 17,81,11,189 . The biggest common factor number is the GCF number.
So the greatest common factor 17,81,11,189 is 1.

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

• GCF of 33, 97, 86, 108
• GCF of 46, 32, 18, 482
• GCF of 73, 33, 78, 604
• GCF of 37, 45, 34, 139
• GCF of 79, 21, 59, 536

1. What is the GCF of 17, 81, 11, 189?

Answer: GCF of 17, 81, 11, 189 is 1.

2. How to Find the GCF of 17, 81, 11, 189

Answer: Greatest Common Factor(GCF) of 17, 81, 11, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 81, 11, 189) = 1.