Greatest Common Factor of 17, 85, 12, 60

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

• Greatest Common Factor of 17, 85, 12, 60 by common division method
• Greatest Common Factor of 17, 85, 12, 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

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 17,85,12,60 . The biggest common factor number is the GCF number.
So the greatest common factor 17,85,12,60 is 1.

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

• GCF of 83, 70, 27, 30
• GCF of 91, 67, 51, 95
• GCF of 96, 48, 36, 21
• GCF of 15, 79, 15, 73
• GCF of 18, 16, 93, 53

1. What is the GCF of 17, 85, 12, 60?

Answer: GCF of 17, 85, 12, 60 is 1.

2. How to Find the GCF of 17, 85, 12, 60

Answer: Greatest Common Factor(GCF) of 17, 85, 12, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 85, 12, 60) = 1.