Greatest Common Factor of 21, 108, 321

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

• Greatest Common Factor of 21, 108, 321 by common division method
• Greatest Common Factor of 21, 108, 321 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 108

List of positive integer factors of 108 that divides 108 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,108

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Greatest Common Factor

We found the factors 21,108,321 . The biggest common factor number is the GCF number.
So the greatest common factor 21,108,321 is 3.

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

• GCF of 25, 906, 116
• GCF of 75, 201, 520
• GCF of 52, 464, 845
• GCF of 82, 182, 977
• GCF of 30, 509, 772

1. What is the GCF of 21, 108, 321?

Answer: GCF of 21, 108, 321 is 3.

2. How to Find the GCF of 21, 108, 321

Answer: Greatest Common Factor(GCF) of 21, 108, 321 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 108, 321) = 3.