Greatest Common Factor of 13, 60, 89, 31, 55

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

• Greatest Common Factor of 13, 60, 89, 31, 55 by common division method
• Greatest Common Factor of 13, 60, 89, 31, 55 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 89

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

1,89

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Greatest Common Factor

We found the factors 13,60,89,31,55 . The biggest common factor number is the GCF number.
So the greatest common factor 13,60,89,31,55 is 1.

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

• GCF of 50, 98, 82, 29, 26
• GCF of 95, 15, 73, 98, 37
• GCF of 20, 65, 88, 63, 62
• GCF of 97, 86, 16, 88, 37
• GCF of 83, 52, 68, 37, 62

1. What is the GCF of 13, 60, 89, 31, 55?

Answer: GCF of 13, 60, 89, 31, 55 is 1.

2. How to Find the GCF of 13, 60, 89, 31, 55

Answer: Greatest Common Factor(GCF) of 13, 60, 89, 31, 55 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 60, 89, 31, 55) = 1.