Greatest Common Factor of 306, 819, 18

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

• Greatest Common Factor of 306, 819, 18 by common division method
• Greatest Common Factor of 306, 819, 18 with matching the biggest common factor

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

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Factors of 819

List of positive integer factors of 819 that divides 819 without a remainder.

1,3,7,9,13,21,39,63,91,117,273,819

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 306,819,18 . The biggest common factor number is the GCF number.
So the greatest common factor 306,819,18 is 9.

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

• GCF of 565, 300, 82
• GCF of 672, 456, 99
• GCF of 831, 577, 85
• GCF of 551, 141, 67
• GCF of 858, 567, 20

1. What is the GCF of 306, 819, 18?

Answer: GCF of 306, 819, 18 is 9.

2. How to Find the GCF of 306, 819, 18

Answer: Greatest Common Factor(GCF) of 306, 819, 18 = 9

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

Step 2: Then multiply all the prime factors GCF(306, 819, 18) = 9.