Greatest Common Factor of 80, 69, 89, 990

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

• Greatest Common Factor of 80, 69, 89, 990 by common division method
• Greatest Common Factor of 80, 69, 89, 990 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 80,69,89,990 . The biggest common factor number is the GCF number.
So the greatest common factor 80,69,89,990 is 1.

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

• GCF of 98, 99, 76, 922
• GCF of 75, 41, 38, 928
• GCF of 53, 87, 57, 536
• GCF of 52, 81, 16, 303
• GCF of 85, 46, 16, 391

1. What is the GCF of 80, 69, 89, 990?

Answer: GCF of 80, 69, 89, 990 is 1.

2. How to Find the GCF of 80, 69, 89, 990

Answer: Greatest Common Factor(GCF) of 80, 69, 89, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 69, 89, 990) = 1.