Greatest Common Factor of 381, 204, 21

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

• Greatest Common Factor of 381, 204, 21 by common division method
• Greatest Common Factor of 381, 204, 21 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 381

List of positive integer factors of 381 that divides 381 without a remainder.

1,3,127,381

Factors of 204

List of positive integer factors of 204 that divides 204 without a remainder.

1,2,3,4,6,12,17,34,51,68,102,204

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 381,204,21 . The biggest common factor number is the GCF number.
So the greatest common factor 381,204,21 is 3.

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

• GCF of 813, 754, 33
• GCF of 110, 223, 41
• GCF of 222, 324, 35
• GCF of 951, 159, 92
• GCF of 528, 593, 39

1. What is the GCF of 381, 204, 21?

Answer: GCF of 381, 204, 21 is 3.

2. How to Find the GCF of 381, 204, 21

Answer: Greatest Common Factor(GCF) of 381, 204, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(381, 204, 21) = 3.