Greatest Common Factor of 585, 855, 81

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

• Greatest Common Factor of 585, 855, 81 by common division method
• Greatest Common Factor of 585, 855, 81 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

Factors of 585

List of positive integer factors of 585 that divides 585 without a remainder.

1,3,5,9,13,15,39,45,65,117,195,585

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

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 585,855,81 . The biggest common factor number is the GCF number.
So the greatest common factor 585,855,81 is 9.

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

• GCF of 833, 578, 53
• GCF of 336, 231, 46
• GCF of 502, 673, 92
• GCF of 307, 551, 12
• GCF of 680, 936, 87

1. What is the GCF of 585, 855, 81?

Answer: GCF of 585, 855, 81 is 9.

2. How to Find the GCF of 585, 855, 81

Answer: Greatest Common Factor(GCF) of 585, 855, 81 = 9

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

Step 2: Then multiply all the prime factors GCF(585, 855, 81) = 9.