Greatest Common Factor of 90, 18, 78, 243

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

• Greatest Common Factor of 90, 18, 78, 243 by common division method
• Greatest Common Factor of 90, 18, 78, 243 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 18

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

1,2,3,6,9,18

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

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 90,18,78,243 . The biggest common factor number is the GCF number.
So the greatest common factor 90,18,78,243 is 3.

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

• GCF of 66, 90, 14, 113
• GCF of 38, 33, 72, 370
• GCF of 43, 42, 79, 554
• GCF of 18, 53, 70, 722
• GCF of 67, 31, 16, 593

1. What is the GCF of 90, 18, 78, 243?

Answer: GCF of 90, 18, 78, 243 is 3.

2. How to Find the GCF of 90, 18, 78, 243

Answer: Greatest Common Factor(GCF) of 90, 18, 78, 243 = 3

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

Step 2: Then multiply all the prime factors GCF(90, 18, 78, 243) = 3.