Greatest Common Factor of 393, 645, 636

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

• Greatest Common Factor of 393, 645, 636 by common division method
• Greatest Common Factor of 393, 645, 636 with matching the biggest common factor

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

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

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 393,645,636 . The biggest common factor number is the GCF number.
So the greatest common factor 393,645,636 is 3.

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

• GCF of 877, 894, 563
• GCF of 122, 192, 900
• GCF of 247, 771, 733
• GCF of 447, 156, 447
• GCF of 739, 627, 901

1. What is the GCF of 393, 645, 636?

Answer: GCF of 393, 645, 636 is 3.

2. How to Find the GCF of 393, 645, 636

Answer: Greatest Common Factor(GCF) of 393, 645, 636 = 3

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

Step 2: Then multiply all the prime factors GCF(393, 645, 636) = 3.