Greatest Common Factor of 6, 21, 39, 33

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

• Greatest Common Factor of 6, 21, 39, 33 by common division method
• Greatest Common Factor of 6, 21, 39, 33 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 6

List of positive integer factors of 6 that divides 6 without a remainder.

1,2,3,6

Factors of 21

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

1,3,7,21

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Greatest Common Factor

We found the factors 6,21,39,33 . The biggest common factor number is the GCF number.
So the greatest common factor 6,21,39,33 is 3.

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

• GCF of 2, 36, 81, 15
• GCF of 6, 55, 44, 71
• GCF of 5, 40, 82, 93
• GCF of 5, 80, 35, 29
• GCF of 9, 87, 93, 75

1. What is the GCF of 6, 21, 39, 33?

Answer: GCF of 6, 21, 39, 33 is 3.

2. How to Find the GCF of 6, 21, 39, 33

Answer: Greatest Common Factor(GCF) of 6, 21, 39, 33 = 3

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

Step 2: Then multiply all the prime factors GCF(6, 21, 39, 33) = 3.