Greatest Common Factor of 399, 123, 306

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

• Greatest Common Factor of 399, 123, 306 by common division method
• Greatest Common Factor of 399, 123, 306 with matching the biggest common factor

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

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

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

Greatest Common Factor

We found the factors 399,123,306 . The biggest common factor number is the GCF number.
So the greatest common factor 399,123,306 is 3.

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

• GCF of 691, 200, 653
• GCF of 554, 419, 976
• GCF of 692, 515, 527
• GCF of 236, 873, 305
• GCF of 135, 605, 565

1. What is the GCF of 399, 123, 306?

Answer: GCF of 399, 123, 306 is 3.

2. How to Find the GCF of 399, 123, 306

Answer: Greatest Common Factor(GCF) of 399, 123, 306 = 3

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

Step 2: Then multiply all the prime factors GCF(399, 123, 306) = 3.