Greatest Common Factor of 28, 73, 243

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

• Greatest Common Factor of 28, 73, 243 by common division method
• Greatest Common Factor of 28, 73, 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

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 28,73,243 . The biggest common factor number is the GCF number.
So the greatest common factor 28,73,243 is 1.

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

• GCF of 43, 73, 441
• GCF of 77, 61, 114
• GCF of 58, 67, 359
• GCF of 22, 90, 835
• GCF of 70, 10, 611

1. What is the GCF of 28, 73, 243?

Answer: GCF of 28, 73, 243 is 1.

2. How to Find the GCF of 28, 73, 243

Answer: Greatest Common Factor(GCF) of 28, 73, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 73, 243) = 1.