Greatest Common Factor of 71, 80, 31, 809

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

• Greatest Common Factor of 71, 80, 31, 809 by common division method
• Greatest Common Factor of 71, 80, 31, 809 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

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 809

List of positive integer factors of 809 that divides 809 without a remainder.

1,809

Greatest Common Factor

We found the factors 71,80,31,809 . The biggest common factor number is the GCF number.
So the greatest common factor 71,80,31,809 is 1.

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

• GCF of 95, 85, 15, 909
• GCF of 87, 44, 17, 356
• GCF of 14, 55, 92, 776
• GCF of 37, 46, 51, 810
• GCF of 99, 29, 18, 895

1. What is the GCF of 71, 80, 31, 809?

Answer: GCF of 71, 80, 31, 809 is 1.

2. How to Find the GCF of 71, 80, 31, 809

Answer: Greatest Common Factor(GCF) of 71, 80, 31, 809 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 80, 31, 809) = 1.