Greatest Common Factor of 81, 306, 399

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

• Greatest Common Factor of 81, 306, 399 by common division method
• Greatest Common Factor of 81, 306, 399 with matching the biggest common factor

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

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 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 81,306,399 . The biggest common factor number is the GCF number.
So the greatest common factor 81,306,399 is 3.

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

• GCF of 88, 536, 486
• GCF of 62, 732, 911
• GCF of 92, 950, 649
• GCF of 96, 817, 745
• GCF of 42, 592, 310

1. What is the GCF of 81, 306, 399?

Answer: GCF of 81, 306, 399 is 3.

2. How to Find the GCF of 81, 306, 399

Answer: Greatest Common Factor(GCF) of 81, 306, 399 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 306, 399) = 3.