Greatest Common Factor of 18, 15, 47, 60

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

• Greatest Common Factor of 18, 15, 47, 60 by common division method
• Greatest Common Factor of 18, 15, 47, 60 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

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

Greatest Common Factor

We found the factors 18,15,47,60 . The biggest common factor number is the GCF number.
So the greatest common factor 18,15,47,60 is 1.

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

• GCF of 57, 72, 47, 34
• GCF of 50, 42, 35, 70
• GCF of 18, 28, 83, 97
• GCF of 42, 26, 28, 77
• GCF of 53, 52, 88, 65

1. What is the GCF of 18, 15, 47, 60?

Answer: GCF of 18, 15, 47, 60 is 1.

2. How to Find the GCF of 18, 15, 47, 60

Answer: Greatest Common Factor(GCF) of 18, 15, 47, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 15, 47, 60) = 1.