Greatest Common Factor of 80, 20, 71

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

• Greatest Common Factor of 80, 20, 71 by common division method
• Greatest Common Factor of 80, 20, 71 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 71

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

1,71

Greatest Common Factor

We found the factors 80,20,71 . The biggest common factor number is the GCF number.
So the greatest common factor 80,20,71 is 1.

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

• GCF of 59, 19, 88
• GCF of 37, 42, 14
• GCF of 36, 21, 35
• GCF of 21, 58, 99
• GCF of 72, 86, 51

1. What is the GCF of 80, 20, 71?

Answer: GCF of 80, 20, 71 is 1.

2. How to Find the GCF of 80, 20, 71

Answer: Greatest Common Factor(GCF) of 80, 20, 71 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 20, 71) = 1.