Greatest Common Factor of 28, 21, 539

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

• Greatest Common Factor of 28, 21, 539 by common division method
• Greatest Common Factor of 28, 21, 539 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

Factors of 28

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

1,2,4,7,14,28

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 539

List of positive integer factors of 539 that divides 539 without a remainder.

1,7,11,49,77,539

Greatest Common Factor

We found the factors 28,21,539 . The biggest common factor number is the GCF number.
So the greatest common factor 28,21,539 is 7.

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

• GCF of 46, 10, 372
• GCF of 69, 93, 569
• GCF of 97, 85, 215
• GCF of 36, 42, 820
• GCF of 26, 37, 992

1. What is the GCF of 28, 21, 539?

Answer: GCF of 28, 21, 539 is 7.

2. How to Find the GCF of 28, 21, 539

Answer: Greatest Common Factor(GCF) of 28, 21, 539 = 7

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

Step 2: Then multiply all the prime factors GCF(28, 21, 539) = 7.