Greatest Common Factor of 11, 18, 56, 243

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

• Greatest Common Factor of 11, 18, 56, 243 by common division method
• Greatest Common Factor of 11, 18, 56, 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 11,18,56,243 . The biggest common factor number is the GCF number.
So the greatest common factor 11,18,56,243 is 1.

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

• GCF of 63, 73, 31, 945
• GCF of 64, 19, 25, 372
• GCF of 42, 11, 57, 112
• GCF of 97, 54, 25, 462
• GCF of 97, 12, 41, 398

1. What is the GCF of 11, 18, 56, 243?

Answer: GCF of 11, 18, 56, 243 is 1.

2. How to Find the GCF of 11, 18, 56, 243

Answer: Greatest Common Factor(GCF) of 11, 18, 56, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 18, 56, 243) = 1.