Greatest Common Factor of 81, 27, 49, 491

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

• Greatest Common Factor of 81, 27, 49, 491 by common division method
• Greatest Common Factor of 81, 27, 49, 491 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 491

List of positive integer factors of 491 that divides 491 without a remainder.

1,491

Greatest Common Factor

We found the factors 81,27,49,491 . The biggest common factor number is the GCF number.
So the greatest common factor 81,27,49,491 is 1.

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

• GCF of 46, 49, 85, 341
• GCF of 96, 99, 28, 526
• GCF of 94, 73, 60, 538
• GCF of 97, 71, 29, 303
• GCF of 74, 74, 19, 857

1. What is the GCF of 81, 27, 49, 491?

Answer: GCF of 81, 27, 49, 491 is 1.

2. How to Find the GCF of 81, 27, 49, 491

Answer: Greatest Common Factor(GCF) of 81, 27, 49, 491 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 27, 49, 491) = 1.