Greatest Common Factor of 81, 128, 513

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

• Greatest Common Factor of 81, 128, 513 by common division method
• Greatest Common Factor of 81, 128, 513 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 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Factors of 513

List of positive integer factors of 513 that divides 513 without a remainder.

1,3,9,19,27,57,171,513

Greatest Common Factor

We found the factors 81,128,513 . The biggest common factor number is the GCF number.
So the greatest common factor 81,128,513 is 1.

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

• GCF of 27, 711, 961
• GCF of 70, 500, 635
• GCF of 91, 288, 617
• GCF of 15, 312, 842
• GCF of 56, 279, 133

1. What is the GCF of 81, 128, 513?

Answer: GCF of 81, 128, 513 is 1.

2. How to Find the GCF of 81, 128, 513

Answer: Greatest Common Factor(GCF) of 81, 128, 513 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 128, 513) = 1.