Greatest Common Factor of 170, 247, 80

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

• Greatest Common Factor of 170, 247, 80 by common division method
• Greatest Common Factor of 170, 247, 80 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 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Factors of 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

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

Greatest Common Factor

We found the factors 170,247,80 . The biggest common factor number is the GCF number.
So the greatest common factor 170,247,80 is 1.

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

• GCF of 966, 601, 49
• GCF of 636, 683, 37
• GCF of 408, 838, 25
• GCF of 742, 963, 17
• GCF of 809, 645, 86

1. What is the GCF of 170, 247, 80?

Answer: GCF of 170, 247, 80 is 1.

2. How to Find the GCF of 170, 247, 80

Answer: Greatest Common Factor(GCF) of 170, 247, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(170, 247, 80) = 1.