Greatest Common Factor of 18, 80, 428

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

• Greatest Common Factor of 18, 80, 428 by common division method
• Greatest Common Factor of 18, 80, 428 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 18,80,428 . The biggest common factor number is the GCF number.
So the greatest common factor 18,80,428 is 2.

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

• GCF of 82, 53, 540
• GCF of 52, 40, 166
• GCF of 48, 82, 658
• GCF of 19, 91, 558
• GCF of 45, 97, 635

1. What is the GCF of 18, 80, 428?

Answer: GCF of 18, 80, 428 is 2.

2. How to Find the GCF of 18, 80, 428

Answer: Greatest Common Factor(GCF) of 18, 80, 428 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 80, 428) = 2.