Greatest Common Factor of 123, 855, 399

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

• Greatest Common Factor of 123, 855, 399 by common division method
• Greatest Common Factor of 123, 855, 399 with matching the biggest common factor

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

Factors of 123

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

1,3,41,123

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 399

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

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

Greatest Common Factor

We found the factors 123,855,399 . The biggest common factor number is the GCF number.
So the greatest common factor 123,855,399 is 3.

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

• GCF of 237, 857, 702
• GCF of 897, 873, 364
• GCF of 718, 966, 112
• GCF of 759, 889, 265
• GCF of 994, 400, 420

1. What is the GCF of 123, 855, 399?

Answer: GCF of 123, 855, 399 is 3.

2. How to Find the GCF of 123, 855, 399

Answer: Greatest Common Factor(GCF) of 123, 855, 399 = 3

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

Step 2: Then multiply all the prime factors GCF(123, 855, 399) = 3.