Greatest Common Factor of 81, 13, 71, 522

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

• Greatest Common Factor of 81, 13, 71, 522 by common division method
• Greatest Common Factor of 81, 13, 71, 522 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 13

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

1,13

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 522

List of positive integer factors of 522 that divides 522 without a remainder.

1,2,3,6,9,18,29,58,87,174,261,522

Greatest Common Factor

We found the factors 81,13,71,522 . The biggest common factor number is the GCF number.
So the greatest common factor 81,13,71,522 is 1.

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

• GCF of 40, 69, 33, 213
• GCF of 37, 34, 31, 913
• GCF of 99, 34, 84, 877
• GCF of 69, 38, 55, 105
• GCF of 44, 36, 78, 786

1. What is the GCF of 81, 13, 71, 522?

Answer: GCF of 81, 13, 71, 522 is 1.

2. How to Find the GCF of 81, 13, 71, 522

Answer: Greatest Common Factor(GCF) of 81, 13, 71, 522 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 13, 71, 522) = 1.