Greatest Common Factor of 243, 218, 91

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

• Greatest Common Factor of 243, 218, 91 by common division method
• Greatest Common Factor of 243, 218, 91 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 243

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

1,3,9,27,81,243

Factors of 218

List of positive integer factors of 218 that divides 218 without a remainder.

1,2,109,218

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Greatest Common Factor

We found the factors 243,218,91 . The biggest common factor number is the GCF number.
So the greatest common factor 243,218,91 is 1.

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

• GCF of 505, 515, 97
• GCF of 591, 489, 90
• GCF of 666, 154, 99
• GCF of 690, 872, 57
• GCF of 225, 773, 55

1. What is the GCF of 243, 218, 91?

Answer: GCF of 243, 218, 91 is 1.

2. How to Find the GCF of 243, 218, 91

Answer: Greatest Common Factor(GCF) of 243, 218, 91 = 1

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

Step 2: Then multiply all the prime factors GCF(243, 218, 91) = 1.