Greatest Common Factor of 870, 891, 72

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

• Greatest Common Factor of 870, 891, 72 by common division method
• Greatest Common Factor of 870, 891, 72 with matching the biggest common factor

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

Factors of 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Greatest Common Factor

We found the factors 870,891,72 . The biggest common factor number is the GCF number.
So the greatest common factor 870,891,72 is 3.

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

• GCF of 559, 606, 22
• GCF of 138, 806, 84
• GCF of 556, 534, 24
• GCF of 139, 582, 73
• GCF of 873, 351, 40

1. What is the GCF of 870, 891, 72?

Answer: GCF of 870, 891, 72 is 3.

2. How to Find the GCF of 870, 891, 72

Answer: Greatest Common Factor(GCF) of 870, 891, 72 = 3

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

Step 2: Then multiply all the prime factors GCF(870, 891, 72) = 3.