Greatest Common Factor of 27, 21, 684

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

• Greatest Common Factor of 27, 21, 684 by common division method
• Greatest Common Factor of 27, 21, 684 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 21

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

1,3,7,21

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Greatest Common Factor

We found the factors 27,21,684 . The biggest common factor number is the GCF number.
So the greatest common factor 27,21,684 is 3.

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

• GCF of 64, 82, 857
• GCF of 92, 21, 346
• GCF of 97, 31, 669
• GCF of 93, 89, 920
• GCF of 21, 82, 809

1. What is the GCF of 27, 21, 684?

Answer: GCF of 27, 21, 684 is 3.

2. How to Find the GCF of 27, 21, 684

Answer: Greatest Common Factor(GCF) of 27, 21, 684 = 3

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

Step 2: Then multiply all the prime factors GCF(27, 21, 684) = 3.