Greatest Common Factor of 81, 27, 393

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

• Greatest Common Factor of 81, 27, 393 by common division method
• Greatest Common Factor of 81, 27, 393 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Greatest Common Factor

We found the factors 81,27,393 . The biggest common factor number is the GCF number.
So the greatest common factor 81,27,393 is 3.

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

• GCF of 25, 19, 294
• GCF of 81, 55, 344
• GCF of 76, 79, 186
• GCF of 96, 58, 789
• GCF of 20, 43, 729

1. What is the GCF of 81, 27, 393?

Answer: GCF of 81, 27, 393 is 3.

2. How to Find the GCF of 81, 27, 393

Answer: Greatest Common Factor(GCF) of 81, 27, 393 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 27, 393) = 3.