Greatest Common Factor of 55, 40, 88, 243

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

• Greatest Common Factor of 55, 40, 88, 243 by common division method
• Greatest Common Factor of 55, 40, 88, 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 55

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

1,5,11,55

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

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 55,40,88,243 . The biggest common factor number is the GCF number.
So the greatest common factor 55,40,88,243 is 1.

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

• GCF of 20, 63, 23, 465
• GCF of 87, 10, 99, 144
• GCF of 13, 80, 22, 556
• GCF of 78, 61, 34, 584
• GCF of 80, 18, 68, 801

1. What is the GCF of 55, 40, 88, 243?

Answer: GCF of 55, 40, 88, 243 is 1.

2. How to Find the GCF of 55, 40, 88, 243

Answer: Greatest Common Factor(GCF) of 55, 40, 88, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 40, 88, 243) = 1.