Greatest Common Factor of 81, 30, 441

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

• Greatest Common Factor of 81, 30, 441 by common division method
• Greatest Common Factor of 81, 30, 441 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 441

List of positive integer factors of 441 that divides 441 without a remainder.

1,3,7,9,21,49,63,147,441

Greatest Common Factor

We found the factors 81,30,441 . The biggest common factor number is the GCF number.
So the greatest common factor 81,30,441 is 3.

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

• GCF of 52, 82, 363
• GCF of 56, 11, 450
• GCF of 92, 37, 294
• GCF of 95, 49, 542
• GCF of 32, 24, 241

1. What is the GCF of 81, 30, 441?

Answer: GCF of 81, 30, 441 is 3.

2. How to Find the GCF of 81, 30, 441

Answer: Greatest Common Factor(GCF) of 81, 30, 441 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 30, 441) = 3.