Greatest Common Factor of 21, 12, 879

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

• Greatest Common Factor of 21, 12, 879 by common division method
• Greatest Common Factor of 21, 12, 879 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 879

List of positive integer factors of 879 that divides 879 without a remainder.

1,3,293,879

Greatest Common Factor

We found the factors 21,12,879 . The biggest common factor number is the GCF number.
So the greatest common factor 21,12,879 is 3.

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

• GCF of 18, 94, 631
• GCF of 53, 34, 762
• GCF of 20, 13, 401
• GCF of 90, 89, 180
• GCF of 14, 75, 970

1. What is the GCF of 21, 12, 879?

Answer: GCF of 21, 12, 879 is 3.

2. How to Find the GCF of 21, 12, 879

Answer: Greatest Common Factor(GCF) of 21, 12, 879 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 12, 879) = 3.