Greatest Common Factor of 13, 73, 20, 89

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

• Greatest Common Factor of 13, 73, 20, 89 by common division method
• Greatest Common Factor of 13, 73, 20, 89 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 20

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

1,2,4,5,10,20

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Greatest Common Factor

We found the factors 13,73,20,89 . The biggest common factor number is the GCF number.
So the greatest common factor 13,73,20,89 is 1.

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

• GCF of 93, 16, 47, 21
• GCF of 74, 81, 52, 26
• GCF of 21, 83, 37, 54
• GCF of 67, 68, 62, 98
• GCF of 86, 82, 47, 71

1. What is the GCF of 13, 73, 20, 89?

Answer: GCF of 13, 73, 20, 89 is 1.

2. How to Find the GCF of 13, 73, 20, 89

Answer: Greatest Common Factor(GCF) of 13, 73, 20, 89 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 73, 20, 89) = 1.