Greatest Common Factor of 891, 861, 90

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

• Greatest Common Factor of 891, 861, 90 by common division method
• Greatest Common Factor of 891, 861, 90 with matching the biggest common factor

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

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 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

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 891,861,90 . The biggest common factor number is the GCF number.
So the greatest common factor 891,861,90 is 3.

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

• GCF of 114, 174, 66
• GCF of 444, 285, 66
• GCF of 873, 522, 77
• GCF of 415, 991, 58
• GCF of 558, 934, 24

1. What is the GCF of 891, 861, 90?

Answer: GCF of 891, 861, 90 is 3.

2. How to Find the GCF of 891, 861, 90

Answer: Greatest Common Factor(GCF) of 891, 861, 90 = 3

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

Step 2: Then multiply all the prime factors GCF(891, 861, 90) = 3.