Greatest Common Factor of 243, 721, 128

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

• Greatest Common Factor of 243, 721, 128 by common division method
• Greatest Common Factor of 243, 721, 128 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Greatest Common Factor

We found the factors 243,721,128 . The biggest common factor number is the GCF number.
So the greatest common factor 243,721,128 is 1.

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

• GCF of 834, 883, 425
• GCF of 484, 789, 662
• GCF of 772, 444, 461
• GCF of 462, 569, 561
• GCF of 643, 226, 588

1. What is the GCF of 243, 721, 128?

Answer: GCF of 243, 721, 128 is 1.

2. How to Find the GCF of 243, 721, 128

Answer: Greatest Common Factor(GCF) of 243, 721, 128 = 1

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

Step 2: Then multiply all the prime factors GCF(243, 721, 128) = 1.