Greatest Common Factor of 28, 72, 256

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

• Greatest Common Factor of 28, 72, 256 by common division method
• Greatest Common Factor of 28, 72, 256 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 2 = 4

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 256

List of positive integer factors of 256 that divides 256 without a remainder.

1,2,4,8,16,32,64,128,256

Greatest Common Factor

We found the factors 28,72,256 . The biggest common factor number is the GCF number.
So the greatest common factor 28,72,256 is 4.

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

• GCF of 36, 81, 551
• GCF of 89, 80, 669
• GCF of 26, 44, 595
• GCF of 13, 10, 946
• GCF of 89, 61, 916

1. What is the GCF of 28, 72, 256?

Answer: GCF of 28, 72, 256 is 4.

2. How to Find the GCF of 28, 72, 256

Answer: Greatest Common Factor(GCF) of 28, 72, 256 = 4

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

Step 2: Then multiply all the prime factors GCF(28, 72, 256) = 4.