Greatest Common Factor of 90, 18, 81, 39, 889

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

• Greatest Common Factor of 90, 18, 81, 39, 889 by common division method
• Greatest Common Factor of 90, 18, 81, 39, 889 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 18

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

1,2,3,6,9,18

Factors of 81

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

1,3,9,27,81

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 889

List of positive integer factors of 889 that divides 889 without a remainder.

1,7,127,889

Greatest Common Factor

We found the factors 90,18,81,39,889 . The biggest common factor number is the GCF number.
So the greatest common factor 90,18,81,39,889 is 1.

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

• GCF of 14, 80, 95, 58, 570
• GCF of 58, 14, 37, 81, 363
• GCF of 28, 58, 82, 38, 902
• GCF of 66, 62, 92, 48, 310
• GCF of 80, 55, 13, 71, 700

1. What is the GCF of 90, 18, 81, 39, 889?

Answer: GCF of 90, 18, 81, 39, 889 is 1.

2. How to Find the GCF of 90, 18, 81, 39, 889

Answer: Greatest Common Factor(GCF) of 90, 18, 81, 39, 889 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 18, 81, 39, 889) = 1.