Greatest Common Factor of 21, 768, 549

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

• Greatest Common Factor of 21, 768, 549 by common division method
• Greatest Common Factor of 21, 768, 549 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 768

List of positive integer factors of 768 that divides 768 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,768

Factors of 549

List of positive integer factors of 549 that divides 549 without a remainder.

1,3,9,61,183,549

Greatest Common Factor

We found the factors 21,768,549 . The biggest common factor number is the GCF number.
So the greatest common factor 21,768,549 is 3.

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

• GCF of 56, 628, 763
• GCF of 78, 411, 227
• GCF of 48, 469, 900
• GCF of 79, 624, 708
• GCF of 14, 426, 350

1. What is the GCF of 21, 768, 549?

Answer: GCF of 21, 768, 549 is 3.

2. How to Find the GCF of 21, 768, 549

Answer: Greatest Common Factor(GCF) of 21, 768, 549 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 768, 549) = 3.