Greatest Common Factor of 80, 31, 42, 173

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

• Greatest Common Factor of 80, 31, 42, 173 by common division method
• Greatest Common Factor of 80, 31, 42, 173 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 173

List of positive integer factors of 173 that divides 173 without a remainder.

1,173

Greatest Common Factor

We found the factors 80,31,42,173 . The biggest common factor number is the GCF number.
So the greatest common factor 80,31,42,173 is 1.

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

• GCF of 91, 14, 62, 919
• GCF of 99, 82, 72, 461
• GCF of 82, 55, 77, 658
• GCF of 27, 45, 97, 637
• GCF of 20, 44, 17, 586

1. What is the GCF of 80, 31, 42, 173?

Answer: GCF of 80, 31, 42, 173 is 1.

2. How to Find the GCF of 80, 31, 42, 173

Answer: Greatest Common Factor(GCF) of 80, 31, 42, 173 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 31, 42, 173) = 1.