Greatest Common Factor of 81, 82, 42, 717

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

• Greatest Common Factor of 81, 82, 42, 717 by common division method
• Greatest Common Factor of 81, 82, 42, 717 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 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 717

List of positive integer factors of 717 that divides 717 without a remainder.

1,3,239,717

Greatest Common Factor

We found the factors 81,82,42,717 . The biggest common factor number is the GCF number.
So the greatest common factor 81,82,42,717 is 1.

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

• GCF of 32, 56, 66, 209
• GCF of 24, 88, 20, 540
• GCF of 96, 46, 34, 846
• GCF of 52, 90, 33, 918
• GCF of 79, 39, 81, 416

1. What is the GCF of 81, 82, 42, 717?

Answer: GCF of 81, 82, 42, 717 is 1.

2. How to Find the GCF of 81, 82, 42, 717

Answer: Greatest Common Factor(GCF) of 81, 82, 42, 717 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 82, 42, 717) = 1.