Greatest Common Factor of 21, 66, 579

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

• Greatest Common Factor of 21, 66, 579 by common division method
• Greatest Common Factor of 21, 66, 579 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 579

List of positive integer factors of 579 that divides 579 without a remainder.

1,3,193,579

Greatest Common Factor

We found the factors 21,66,579 . The biggest common factor number is the GCF number.
So the greatest common factor 21,66,579 is 3.

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

• GCF of 92, 56, 300
• GCF of 89, 10, 466
• GCF of 84, 84, 108
• GCF of 22, 51, 395
• GCF of 48, 68, 662

1. What is the GCF of 21, 66, 579?

Answer: GCF of 21, 66, 579 is 3.

2. How to Find the GCF of 21, 66, 579

Answer: Greatest Common Factor(GCF) of 21, 66, 579 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 66, 579) = 3.