Greatest Common Factor of 42, 83, 20, 459

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

• Greatest Common Factor of 42, 83, 20, 459 by common division method
• Greatest Common Factor of 42, 83, 20, 459 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 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 459

List of positive integer factors of 459 that divides 459 without a remainder.

1,3,9,17,27,51,153,459

Greatest Common Factor

We found the factors 42,83,20,459 . The biggest common factor number is the GCF number.
So the greatest common factor 42,83,20,459 is 1.

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

• GCF of 95, 75, 66, 832
• GCF of 33, 49, 48, 417
• GCF of 25, 55, 43, 106
• GCF of 33, 91, 22, 938
• GCF of 85, 92, 22, 338

1. What is the GCF of 42, 83, 20, 459?

Answer: GCF of 42, 83, 20, 459 is 1.

2. How to Find the GCF of 42, 83, 20, 459

Answer: Greatest Common Factor(GCF) of 42, 83, 20, 459 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 83, 20, 459) = 1.