Greatest Common Factor of 861, 132, 720

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

• Greatest Common Factor of 861, 132, 720 by common division method
• Greatest Common Factor of 861, 132, 720 with matching the biggest common factor

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

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 132

List of positive integer factors of 132 that divides 132 without a remainder.

1,2,3,4,6,11,12,22,33,44,66,132

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Greatest Common Factor

We found the factors 861,132,720 . The biggest common factor number is the GCF number.
So the greatest common factor 861,132,720 is 3.

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

• GCF of 890, 114, 135
• GCF of 447, 236, 339
• GCF of 726, 149, 868
• GCF of 283, 762, 698
• GCF of 221, 684, 829

1. What is the GCF of 861, 132, 720?

Answer: GCF of 861, 132, 720 is 3.

2. How to Find the GCF of 861, 132, 720

Answer: Greatest Common Factor(GCF) of 861, 132, 720 = 3

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

Step 2: Then multiply all the prime factors GCF(861, 132, 720) = 3.