Greatest Common Factor of 30, 84, 87, 198

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

• Greatest Common Factor of 30, 84, 87, 198 by common division method
• Greatest Common Factor of 30, 84, 87, 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

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 30,84,87,198 . The biggest common factor number is the GCF number.
So the greatest common factor 30,84,87,198 is 3.

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

• GCF of 54, 56, 75, 966
• GCF of 73, 56, 41, 960
• GCF of 50, 51, 70, 164
• GCF of 79, 78, 39, 616
• GCF of 64, 16, 90, 879

1. What is the GCF of 30, 84, 87, 198?

Answer: GCF of 30, 84, 87, 198 is 3.

2. How to Find the GCF of 30, 84, 87, 198

Answer: Greatest Common Factor(GCF) of 30, 84, 87, 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, 84, 87, 198) = 3.