Greatest Common Factor of 221, 306, 243

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

• Greatest Common Factor of 221, 306, 243 by common division method
• Greatest Common Factor of 221, 306, 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 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

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 221,306,243 . The biggest common factor number is the GCF number.
So the greatest common factor 221,306,243 is 1.

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

• GCF of 838, 169, 837
• GCF of 737, 260, 963
• GCF of 425, 719, 766
• GCF of 928, 961, 288
• GCF of 951, 474, 134

1. What is the GCF of 221, 306, 243?

Answer: GCF of 221, 306, 243 is 1.

2. How to Find the GCF of 221, 306, 243

Answer: Greatest Common Factor(GCF) of 221, 306, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(221, 306, 243) = 1.