Greatest Common Factor of 80, 56, 89, 243

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

• Greatest Common Factor of 80, 56, 89, 243 by common division method
• Greatest Common Factor of 80, 56, 89, 243 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Greatest Common Factor

We found the factors 80,56,89,243 . The biggest common factor number is the GCF number.
So the greatest common factor 80,56,89,243 is 1.

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

• GCF of 80, 39, 21, 204
• GCF of 94, 25, 82, 310
• GCF of 21, 45, 46, 483
• GCF of 20, 29, 69, 541
• GCF of 44, 81, 76, 866

1. What is the GCF of 80, 56, 89, 243?

Answer: GCF of 80, 56, 89, 243 is 1.

2. How to Find the GCF of 80, 56, 89, 243

Answer: Greatest Common Factor(GCF) of 80, 56, 89, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 56, 89, 243) = 1.