Greatest Common Factor of 399, 855, 87

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

• Greatest Common Factor of 399, 855, 87 by common division method
• Greatest Common Factor of 399, 855, 87 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 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 399,855,87 . The biggest common factor number is the GCF number.
So the greatest common factor 399,855,87 is 3.

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

• GCF of 905, 297, 41
• GCF of 400, 329, 99
• GCF of 965, 333, 19
• GCF of 886, 535, 63
• GCF of 550, 636, 76

1. What is the GCF of 399, 855, 87?

Answer: GCF of 399, 855, 87 is 3.

2. How to Find the GCF of 399, 855, 87

Answer: Greatest Common Factor(GCF) of 399, 855, 87 = 3

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

Step 2: Then multiply all the prime factors GCF(399, 855, 87) = 3.