Greatest Common Factor of 27, 45, 83, 55, 243

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

• Greatest Common Factor of 27, 45, 83, 55, 243 by common division method
• Greatest Common Factor of 27, 45, 83, 55, 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

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 27,45,83,55,243 . The biggest common factor number is the GCF number.
So the greatest common factor 27,45,83,55,243 is 1.

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

• GCF of 28, 46, 63, 85, 976
• GCF of 72, 46, 26, 41, 742
• GCF of 72, 42, 41, 83, 990
• GCF of 67, 11, 38, 94, 431
• GCF of 86, 81, 44, 99, 996

1. What is the GCF of 27, 45, 83, 55, 243?

Answer: GCF of 27, 45, 83, 55, 243 is 1.

2. How to Find the GCF of 27, 45, 83, 55, 243

Answer: Greatest Common Factor(GCF) of 27, 45, 83, 55, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 45, 83, 55, 243) = 1.