Greatest Common Factor of 81, 45, 26, 180

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

• Greatest Common Factor of 81, 45, 26, 180 by common division method
• Greatest Common Factor of 81, 45, 26, 180 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 45

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

1,3,5,9,15,45

Factors of 26

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

1,2,13,26

Factors of 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Greatest Common Factor

We found the factors 81,45,26,180 . The biggest common factor number is the GCF number.
So the greatest common factor 81,45,26,180 is 1.

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

• GCF of 71, 29, 70, 655
• GCF of 58, 20, 79, 226
• GCF of 26, 77, 12, 837
• GCF of 31, 47, 75, 783
• GCF of 11, 75, 19, 396

1. What is the GCF of 81, 45, 26, 180?

Answer: GCF of 81, 45, 26, 180 is 1.

2. How to Find the GCF of 81, 45, 26, 180

Answer: Greatest Common Factor(GCF) of 81, 45, 26, 180 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 45, 26, 180) = 1.