Greatest Common Factor of 17, 28, 60, 13

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

• Greatest Common Factor of 17, 28, 60, 13 by common division method
• Greatest Common Factor of 17, 28, 60, 13 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

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 13

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

1,13

Greatest Common Factor

We found the factors 17,28,60,13 . The biggest common factor number is the GCF number.
So the greatest common factor 17,28,60,13 is 1.

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

• GCF of 58, 72, 26, 75
• GCF of 31, 16, 69, 67
• GCF of 38, 11, 31, 59
• GCF of 41, 58, 28, 28
• GCF of 65, 67, 30, 16

1. What is the GCF of 17, 28, 60, 13?

Answer: GCF of 17, 28, 60, 13 is 1.

2. How to Find the GCF of 17, 28, 60, 13

Answer: Greatest Common Factor(GCF) of 17, 28, 60, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 28, 60, 13) = 1.