Greatest Common Factor of 28, 72, 18, 500

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

• Greatest Common Factor of 28, 72, 18, 500 by common division method
• Greatest Common Factor of 28, 72, 18, 500 with matching the biggest common factor

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

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 18

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

1,2,3,6,9,18

Factors of 500

List of positive integer factors of 500 that divides 500 without a remainder.

1,2,4,5,10,20,25,50,100,125,250,500

Greatest Common Factor

We found the factors 28,72,18,500 . The biggest common factor number is the GCF number.
So the greatest common factor 28,72,18,500 is 2.

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

• GCF of 11, 15, 76, 537
• GCF of 28, 56, 53, 974
• GCF of 64, 19, 79, 670
• GCF of 62, 26, 74, 445
• GCF of 77, 52, 54, 142

1. What is the GCF of 28, 72, 18, 500?

Answer: GCF of 28, 72, 18, 500 is 2.

2. How to Find the GCF of 28, 72, 18, 500

Answer: Greatest Common Factor(GCF) of 28, 72, 18, 500 = 2

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

Step 2: Then multiply all the prime factors GCF(28, 72, 18, 500) = 2.