Greatest Common Factor of 81, 28, 845

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

• Greatest Common Factor of 81, 28, 845 by common division method
• Greatest Common Factor of 81, 28, 845 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 28

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

1,2,4,7,14,28

Factors of 845

List of positive integer factors of 845 that divides 845 without a remainder.

1,5,13,65,169,845

Greatest Common Factor

We found the factors 81,28,845 . The biggest common factor number is the GCF number.
So the greatest common factor 81,28,845 is 1.

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

• GCF of 60, 41, 717
• GCF of 33, 99, 704
• GCF of 18, 45, 975
• GCF of 44, 91, 954
• GCF of 10, 36, 341

1. What is the GCF of 81, 28, 845?

Answer: GCF of 81, 28, 845 is 1.

2. How to Find the GCF of 81, 28, 845

Answer: Greatest Common Factor(GCF) of 81, 28, 845 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 28, 845) = 1.