Greatest Common Factor of 675, 330, 21

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

• Greatest Common Factor of 675, 330, 21 by common division method
• Greatest Common Factor of 675, 330, 21 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 675

List of positive integer factors of 675 that divides 675 without a remainder.

1,3,5,9,15,25,27,45,75,135,225,675

Factors of 330

List of positive integer factors of 330 that divides 330 without a remainder.

1,2,3,5,6,10,11,15,22,30,33,55,66,110,165,330

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 675,330,21 . The biggest common factor number is the GCF number.
So the greatest common factor 675,330,21 is 3.

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

• GCF of 228, 406, 60
• GCF of 386, 196, 40
• GCF of 268, 981, 89
• GCF of 181, 430, 75
• GCF of 864, 755, 89

1. What is the GCF of 675, 330, 21?

Answer: GCF of 675, 330, 21 is 3.

2. How to Find the GCF of 675, 330, 21

Answer: Greatest Common Factor(GCF) of 675, 330, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(675, 330, 21) = 3.