Greatest Common Factor of 165, 180, 210

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

• Greatest Common Factor of 165, 180, 210 by common division method
• Greatest Common Factor of 165, 180, 210 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 5 = 15

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 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Greatest Common Factor

We found the factors 165,180,210 . The biggest common factor number is the GCF number.
So the greatest common factor 165,180,210 is 15.

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

• GCF of 592, 241, 485
• GCF of 755, 707, 725
• GCF of 168, 851, 399
• GCF of 673, 528, 972
• GCF of 738, 582, 269

1. What is the GCF of 165, 180, 210?

Answer: GCF of 165, 180, 210 is 15.

2. How to Find the GCF of 165, 180, 210

Answer: Greatest Common Factor(GCF) of 165, 180, 210 = 15

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

Step 2: Then multiply all the prime factors GCF(165, 180, 210) = 15.