Greatest Common Factor of 17, 83, 20, 389

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

• Greatest Common Factor of 17, 83, 20, 389 by common division method
• Greatest Common Factor of 17, 83, 20, 389 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

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 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors 17,83,20,389 . The biggest common factor number is the GCF number.
So the greatest common factor 17,83,20,389 is 1.

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

• GCF of 35, 32, 50, 418
• GCF of 62, 43, 41, 201
• GCF of 15, 69, 96, 771
• GCF of 94, 93, 52, 769
• GCF of 40, 23, 33, 351

1. What is the GCF of 17, 83, 20, 389?

Answer: GCF of 17, 83, 20, 389 is 1.

2. How to Find the GCF of 17, 83, 20, 389

Answer: Greatest Common Factor(GCF) of 17, 83, 20, 389 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 83, 20, 389) = 1.