Greatest Common Factor of 191, 165, 18

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

• Greatest Common Factor of 191, 165, 18 by common division method
• Greatest Common Factor of 191, 165, 18 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 191

List of positive integer factors of 191 that divides 191 without a remainder.

1,191

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 191,165,18 . The biggest common factor number is the GCF number.
So the greatest common factor 191,165,18 is 1.

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

• GCF of 685, 739, 33
• GCF of 912, 538, 16
• GCF of 922, 314, 99
• GCF of 982, 976, 69
• GCF of 552, 627, 24

1. What is the GCF of 191, 165, 18?

Answer: GCF of 191, 165, 18 is 1.

2. How to Find the GCF of 191, 165, 18

Answer: Greatest Common Factor(GCF) of 191, 165, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(191, 165, 18) = 1.