Greatest Common Factor of 42, 81, 82, 617

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

• Greatest Common Factor of 42, 81, 82, 617 by common division method
• Greatest Common Factor of 42, 81, 82, 617 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 42

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

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

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 617

List of positive integer factors of 617 that divides 617 without a remainder.

1,617

Greatest Common Factor

We found the factors 42,81,82,617 . The biggest common factor number is the GCF number.
So the greatest common factor 42,81,82,617 is 1.

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

• GCF of 53, 87, 51, 638
• GCF of 15, 42, 25, 996
• GCF of 39, 66, 93, 441
• GCF of 41, 88, 58, 801
• GCF of 36, 88, 85, 938

1. What is the GCF of 42, 81, 82, 617?

Answer: GCF of 42, 81, 82, 617 is 1.

2. How to Find the GCF of 42, 81, 82, 617

Answer: Greatest Common Factor(GCF) of 42, 81, 82, 617 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 81, 82, 617) = 1.