Greatest Common Factor of 17, 80, 689

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

• Greatest Common Factor of 17, 80, 689 by common division method
• Greatest Common Factor of 17, 80, 689 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Greatest Common Factor

We found the factors 17,80,689 . The biggest common factor number is the GCF number.
So the greatest common factor 17,80,689 is 1.

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

• GCF of 28, 99, 732
• GCF of 97, 44, 216
• GCF of 76, 17, 157
• GCF of 71, 60, 819
• GCF of 61, 10, 123

1. What is the GCF of 17, 80, 689?

Answer: GCF of 17, 80, 689 is 1.

2. How to Find the GCF of 17, 80, 689

Answer: Greatest Common Factor(GCF) of 17, 80, 689 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 80, 689) = 1.