Greatest Common Factor of 645, 369, 855

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

• Greatest Common Factor of 645, 369, 855 by common division method
• Greatest Common Factor of 645, 369, 855 with matching the biggest common factor

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

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 369

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

1,3,9,41,123,369

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Greatest Common Factor

We found the factors 645,369,855 . The biggest common factor number is the GCF number.
So the greatest common factor 645,369,855 is 3.

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

• GCF of 355, 798, 866
• GCF of 973, 751, 623
• GCF of 261, 733, 754
• GCF of 122, 927, 872
• GCF of 495, 258, 952

1. What is the GCF of 645, 369, 855?

Answer: GCF of 645, 369, 855 is 3.

2. How to Find the GCF of 645, 369, 855

Answer: Greatest Common Factor(GCF) of 645, 369, 855 = 3

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

Step 2: Then multiply all the prime factors GCF(645, 369, 855) = 3.