Greatest Common Factor of 81, 80, 89, 989

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

• Greatest Common Factor of 81, 80, 89, 989 by common division method
• Greatest Common Factor of 81, 80, 89, 989 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 89

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

1,89

Factors of 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Greatest Common Factor

We found the factors 81,80,89,989 . The biggest common factor number is the GCF number.
So the greatest common factor 81,80,89,989 is 1.

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

• GCF of 56, 14, 78, 285
• GCF of 70, 35, 52, 688
• GCF of 82, 42, 10, 648
• GCF of 97, 94, 43, 750
• GCF of 40, 24, 88, 668

1. What is the GCF of 81, 80, 89, 989?

Answer: GCF of 81, 80, 89, 989 is 1.

2. How to Find the GCF of 81, 80, 89, 989

Answer: Greatest Common Factor(GCF) of 81, 80, 89, 989 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 80, 89, 989) = 1.