Greatest Common Factor of 21, 44, 44, 243

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

• Greatest Common Factor of 21, 44, 44, 243 by common division method
• Greatest Common Factor of 21, 44, 44, 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

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 21,44,44,243 . The biggest common factor number is the GCF number.
So the greatest common factor 21,44,44,243 is 1.

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

• GCF of 71, 84, 31, 348
• GCF of 44, 13, 25, 905
• GCF of 85, 24, 38, 798
• GCF of 85, 35, 69, 729
• GCF of 44, 69, 40, 806

1. What is the GCF of 21, 44, 44, 243?

Answer: GCF of 21, 44, 44, 243 is 1.

2. How to Find the GCF of 21, 44, 44, 243

Answer: Greatest Common Factor(GCF) of 21, 44, 44, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 44, 44, 243) = 1.