Greatest Common Factor of 21, 18, 369

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

• Greatest Common Factor of 21, 18, 369 by common division method
• Greatest Common Factor of 21, 18, 369 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 369

List of positive integer factors of 369 that divides 369 without a remainder.

1,3,9,41,123,369

Greatest Common Factor

We found the factors 21,18,369 . The biggest common factor number is the GCF number.
So the greatest common factor 21,18,369 is 3.

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

• GCF of 81, 52, 262
• GCF of 61, 94, 934
• GCF of 18, 56, 315
• GCF of 27, 15, 578
• GCF of 76, 93, 809

1. What is the GCF of 21, 18, 369?

Answer: GCF of 21, 18, 369 is 3.

2. How to Find the GCF of 21, 18, 369

Answer: Greatest Common Factor(GCF) of 21, 18, 369 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 18, 369) = 3.