Greatest Common Factor of 663, 39, 636

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

• Greatest Common Factor of 663, 39, 636 by common division method
• Greatest Common Factor of 663, 39, 636 with matching the biggest common factor

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

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Factors of 39

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

1,3,13,39

Factors of 636

List of positive integer factors of 636 that divides 636 without a remainder.

1,2,3,4,6,12,53,106,159,212,318,636

Greatest Common Factor

We found the factors 663,39,636 . The biggest common factor number is the GCF number.
So the greatest common factor 663,39,636 is 3.

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

• GCF of 362, 43, 813
• GCF of 740, 91, 195
• GCF of 216, 96, 254
• GCF of 920, 72, 814
• GCF of 322, 49, 392

1. What is the GCF of 663, 39, 636?

Answer: GCF of 663, 39, 636 is 3.

2. How to Find the GCF of 663, 39, 636

Answer: Greatest Common Factor(GCF) of 663, 39, 636 = 3

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

Step 2: Then multiply all the prime factors GCF(663, 39, 636) = 3.