Greatest Common Factor of 18, 56, 91, 26, 80

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

• Greatest Common Factor of 18, 56, 91, 26, 80 by common division method
• Greatest Common Factor of 18, 56, 91, 26, 80 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 18

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

1,2,3,6,9,18

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 18,56,91,26,80 . The biggest common factor number is the GCF number.
So the greatest common factor 18,56,91,26,80 is 1.

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

• GCF of 79, 24, 81, 41, 93
• GCF of 43, 26, 75, 75, 20
• GCF of 35, 84, 42, 28, 28
• GCF of 20, 60, 75, 33, 56
• GCF of 81, 41, 69, 98, 54

1. What is the GCF of 18, 56, 91, 26, 80?

Answer: GCF of 18, 56, 91, 26, 80 is 1.

2. How to Find the GCF of 18, 56, 91, 26, 80

Answer: Greatest Common Factor(GCF) of 18, 56, 91, 26, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 56, 91, 26, 80) = 1.