Greatest Common Factor of 21, 720, 330

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

• Greatest Common Factor of 21, 720, 330 by common division method
• Greatest Common Factor of 21, 720, 330 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 21

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

1,3,7,21

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

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

Greatest Common Factor

We found the factors 21,720,330 . The biggest common factor number is the GCF number.
So the greatest common factor 21,720,330 is 3.

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

• GCF of 32, 340, 426
• GCF of 32, 269, 431
• GCF of 98, 530, 708
• GCF of 21, 980, 751
• GCF of 93, 881, 756

1. What is the GCF of 21, 720, 330?

Answer: GCF of 21, 720, 330 is 3.

2. How to Find the GCF of 21, 720, 330

Answer: Greatest Common Factor(GCF) of 21, 720, 330 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 720, 330) = 3.