Greatest Common Factor of 285, 585, 18

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

• Greatest Common Factor of 285, 585, 18 by common division method
• Greatest Common Factor of 285, 585, 18 with matching the biggest common factor

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

Factors of 285

List of positive integer factors of 285 that divides 285 without a remainder.

1,3,5,15,19,57,95,285

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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 285,585,18 . The biggest common factor number is the GCF number.
So the greatest common factor 285,585,18 is 3.

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

• GCF of 282, 191, 30
• GCF of 244, 139, 75
• GCF of 983, 950, 40
• GCF of 889, 420, 26
• GCF of 966, 414, 91

1. What is the GCF of 285, 585, 18?

Answer: GCF of 285, 585, 18 is 3.

2. How to Find the GCF of 285, 585, 18

Answer: Greatest Common Factor(GCF) of 285, 585, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(285, 585, 18) = 3.