Greatest Common Factor of 17, 83, 11, 20

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

• Greatest Common Factor of 17, 83, 11, 20 by common division method
• Greatest Common Factor of 17, 83, 11, 20 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 17,83,11,20 . The biggest common factor number is the GCF number.
So the greatest common factor 17,83,11,20 is 1.

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

• GCF of 12, 13, 42, 37
• GCF of 34, 90, 56, 82
• GCF of 66, 67, 52, 19
• GCF of 37, 36, 76, 76
• GCF of 74, 73, 94, 34

1. What is the GCF of 17, 83, 11, 20?

Answer: GCF of 17, 83, 11, 20 is 1.

2. How to Find the GCF of 17, 83, 11, 20

Answer: Greatest Common Factor(GCF) of 17, 83, 11, 20 = 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, 11, 20) = 1.