Greatest Common Factor of 80, 28, 397

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

• Greatest Common Factor of 80, 28, 397 by common division method
• Greatest Common Factor of 80, 28, 397 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 80,28,397 . The biggest common factor number is the GCF number.
So the greatest common factor 80,28,397 is 1.

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

• GCF of 41, 63, 112
• GCF of 24, 54, 448
• GCF of 57, 81, 491
• GCF of 76, 99, 188
• GCF of 49, 59, 578

1. What is the GCF of 80, 28, 397?

Answer: GCF of 80, 28, 397 is 1.

2. How to Find the GCF of 80, 28, 397

Answer: Greatest Common Factor(GCF) of 80, 28, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 28, 397) = 1.