Greatest Common Factor of 30, 165, 198

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

• Greatest Common Factor of 30, 165, 198 by common division method
• Greatest Common Factor of 30, 165, 198 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 198

List of positive integer factors of 198 that divides 198 without a remainder.

1,2,3,6,9,11,18,22,33,66,99,198

Greatest Common Factor

We found the factors 30,165,198 . The biggest common factor number is the GCF number.
So the greatest common factor 30,165,198 is 3.

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

• GCF of 90, 738, 841
• GCF of 13, 955, 387
• GCF of 96, 527, 459
• GCF of 90, 310, 907
• GCF of 18, 116, 634

1. What is the GCF of 30, 165, 198?

Answer: GCF of 30, 165, 198 is 3.

2. How to Find the GCF of 30, 165, 198

Answer: Greatest Common Factor(GCF) of 30, 165, 198 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 165, 198) = 3.