Greatest Common Factor of 8, 81, 13, 540

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

• Greatest Common Factor of 8, 81, 13, 540 by common division method
• Greatest Common Factor of 8, 81, 13, 540 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 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Factors of 81

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

1,3,9,27,81

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 540

List of positive integer factors of 540 that divides 540 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540

Greatest Common Factor

We found the factors 8,81,13,540 . The biggest common factor number is the GCF number.
So the greatest common factor 8,81,13,540 is 1.

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

• GCF of 8, 21, 72, 197
• GCF of 6, 16, 92, 141
• GCF of 8, 13, 27, 265
• GCF of 7, 69, 25, 841
• GCF of 1, 86, 45, 915

1. What is the GCF of 8, 81, 13, 540?

Answer: GCF of 8, 81, 13, 540 is 1.

2. How to Find the GCF of 8, 81, 13, 540

Answer: Greatest Common Factor(GCF) of 8, 81, 13, 540 = 1

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

Step 2: Then multiply all the prime factors GCF(8, 81, 13, 540) = 1.