Greatest Common Factor of 321, 660, 855

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

• Greatest Common Factor of 321, 660, 855 by common division method
• Greatest Common Factor of 321, 660, 855 with matching the biggest common factor

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

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

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 321,660,855 . The biggest common factor number is the GCF number.
So the greatest common factor 321,660,855 is 3.

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

• GCF of 385, 433, 602
• GCF of 166, 146, 941
• GCF of 811, 459, 142
• GCF of 586, 724, 267
• GCF of 106, 929, 611

1. What is the GCF of 321, 660, 855?

Answer: GCF of 321, 660, 855 is 3.

2. How to Find the GCF of 321, 660, 855

Answer: Greatest Common Factor(GCF) of 321, 660, 855 = 3

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

Step 2: Then multiply all the prime factors GCF(321, 660, 855) = 3.