Greatest Common Factor of 399, 579, 42

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

• Greatest Common Factor of 399, 579, 42 by common division method
• Greatest Common Factor of 399, 579, 42 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 579

List of positive integer factors of 579 that divides 579 without a remainder.

1,3,193,579

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 399,579,42 . The biggest common factor number is the GCF number.
So the greatest common factor 399,579,42 is 3.

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

• GCF of 315, 624, 32
• GCF of 877, 420, 39
• GCF of 705, 487, 82
• GCF of 176, 845, 94
• GCF of 512, 964, 94

1. What is the GCF of 399, 579, 42?

Answer: GCF of 399, 579, 42 is 3.

2. How to Find the GCF of 399, 579, 42

Answer: Greatest Common Factor(GCF) of 399, 579, 42 = 3

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

Step 2: Then multiply all the prime factors GCF(399, 579, 42) = 3.