Greatest Common Factor of 80, 18, 21, 316

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

• Greatest Common Factor of 80, 18, 21, 316 by common division method
• Greatest Common Factor of 80, 18, 21, 316 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 316

List of positive integer factors of 316 that divides 316 without a remainder.

1,2,4,79,158,316

Greatest Common Factor

We found the factors 80,18,21,316 . The biggest common factor number is the GCF number.
So the greatest common factor 80,18,21,316 is 1.

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

• GCF of 72, 73, 87, 181
• GCF of 26, 10, 99, 834
• GCF of 56, 46, 61, 796
• GCF of 93, 32, 54, 598
• GCF of 85, 88, 46, 193

1. What is the GCF of 80, 18, 21, 316?

Answer: GCF of 80, 18, 21, 316 is 1.

2. How to Find the GCF of 80, 18, 21, 316

Answer: Greatest Common Factor(GCF) of 80, 18, 21, 316 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 18, 21, 316) = 1.