Greatest Common Factor of 243, 561, 320

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

• Greatest Common Factor of 243, 561, 320 by common division method
• Greatest Common Factor of 243, 561, 320 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 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Factors of 320

List of positive integer factors of 320 that divides 320 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,160,320

Greatest Common Factor

We found the factors 243,561,320 . The biggest common factor number is the GCF number.
So the greatest common factor 243,561,320 is 1.

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

• GCF of 124, 779, 238
• GCF of 997, 719, 778
• GCF of 520, 950, 739
• GCF of 338, 900, 282
• GCF of 188, 446, 251

1. What is the GCF of 243, 561, 320?

Answer: GCF of 243, 561, 320 is 1.

2. How to Find the GCF of 243, 561, 320

Answer: Greatest Common Factor(GCF) of 243, 561, 320 = 1

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

Step 2: Then multiply all the prime factors GCF(243, 561, 320) = 1.