Greatest Common Factor of 645, 873, 855

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

• Greatest Common Factor of 645, 873, 855 by common division method
• Greatest Common Factor of 645, 873, 855 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 645

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

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

Factors of 873

List of positive integer factors of 873 that divides 873 without a remainder.

1,3,9,97,291,873

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 645,873,855 . The biggest common factor number is the GCF number.
So the greatest common factor 645,873,855 is 3.

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

• GCF of 423, 525, 406
• GCF of 886, 137, 388
• GCF of 464, 312, 489
• GCF of 434, 588, 408
• GCF of 644, 211, 185

1. What is the GCF of 645, 873, 855?

Answer: GCF of 645, 873, 855 is 3.

2. How to Find the GCF of 645, 873, 855

Answer: Greatest Common Factor(GCF) of 645, 873, 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, 873, 855) = 3.