Greatest Common Factor of 80, 19, 13, 170

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

• Greatest Common Factor of 80, 19, 13, 170 by common division method
• Greatest Common Factor of 80, 19, 13, 170 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 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 13

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

1,13

Factors of 170

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

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

Greatest Common Factor

We found the factors 80,19,13,170 . The biggest common factor number is the GCF number.
So the greatest common factor 80,19,13,170 is 1.

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

• GCF of 19, 71, 19, 703
• GCF of 10, 14, 56, 265
• GCF of 56, 68, 25, 936
• GCF of 14, 44, 62, 464
• GCF of 71, 37, 76, 448

1. What is the GCF of 80, 19, 13, 170?

Answer: GCF of 80, 19, 13, 170 is 1.

2. How to Find the GCF of 80, 19, 13, 170

Answer: Greatest Common Factor(GCF) of 80, 19, 13, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 19, 13, 170) = 1.