Greatest Common Factor of 81, 18, 454

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

• Greatest Common Factor of 81, 18, 454 by common division method
• Greatest Common Factor of 81, 18, 454 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 454

List of positive integer factors of 454 that divides 454 without a remainder.

1,2,227,454

Greatest Common Factor

We found the factors 81,18,454 . The biggest common factor number is the GCF number.
So the greatest common factor 81,18,454 is 1.

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

• GCF of 72, 34, 687
• GCF of 90, 40, 926
• GCF of 69, 92, 338
• GCF of 12, 83, 143
• GCF of 96, 71, 472

1. What is the GCF of 81, 18, 454?

Answer: GCF of 81, 18, 454 is 1.

2. How to Find the GCF of 81, 18, 454

Answer: Greatest Common Factor(GCF) of 81, 18, 454 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 18, 454) = 1.