Greatest Common Factor of 81, 86, 243

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

• Greatest Common Factor of 81, 86, 243 by common division method
• Greatest Common Factor of 81, 86, 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

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 81,86,243 . The biggest common factor number is the GCF number.
So the greatest common factor 81,86,243 is 1.

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

• GCF of 17, 68, 107
• GCF of 58, 96, 228
• GCF of 27, 16, 732
• GCF of 12, 98, 850
• GCF of 76, 46, 353

1. What is the GCF of 81, 86, 243?

Answer: GCF of 81, 86, 243 is 1.

2. How to Find the GCF of 81, 86, 243

Answer: Greatest Common Factor(GCF) of 81, 86, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 86, 243) = 1.