Greatest Common Factor of 18, 30, 90, 328

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

• Greatest Common Factor of 18, 30, 90, 328 by common division method
• Greatest Common Factor of 18, 30, 90, 328 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 18

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

1,2,3,6,9,18

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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 328

List of positive integer factors of 328 that divides 328 without a remainder.

1,2,4,8,41,82,164,328

Greatest Common Factor

We found the factors 18,30,90,328 . The biggest common factor number is the GCF number.
So the greatest common factor 18,30,90,328 is 2.

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

• GCF of 57, 10, 17, 326
• GCF of 79, 90, 68, 826
• GCF of 35, 49, 79, 595
• GCF of 62, 32, 53, 593
• GCF of 20, 55, 39, 983

1. What is the GCF of 18, 30, 90, 328?

Answer: GCF of 18, 30, 90, 328 is 2.

2. How to Find the GCF of 18, 30, 90, 328

Answer: Greatest Common Factor(GCF) of 18, 30, 90, 328 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 30, 90, 328) = 2.