Greatest Common Factor of 891, 810, 90

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

• Greatest Common Factor of 891, 810, 90 by common division method
• Greatest Common Factor of 891, 810, 90 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

Factors of 891

List of positive integer factors of 891 that divides 891 without a remainder.

1,3,9,11,27,33,81,99,297,891

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

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

Greatest Common Factor

We found the factors 891,810,90 . The biggest common factor number is the GCF number.
So the greatest common factor 891,810,90 is 9.

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

• GCF of 497, 687, 87
• GCF of 932, 520, 20
• GCF of 345, 157, 16
• GCF of 397, 323, 79
• GCF of 166, 415, 68

1. What is the GCF of 891, 810, 90?

Answer: GCF of 891, 810, 90 is 9.

2. How to Find the GCF of 891, 810, 90

Answer: Greatest Common Factor(GCF) of 891, 810, 90 = 9

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

Step 2: Then multiply all the prime factors GCF(891, 810, 90) = 9.