Greatest Common Factor of 81, 51, 684

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

• Greatest Common Factor of 81, 51, 684 by common division method
• Greatest Common Factor of 81, 51, 684 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Greatest Common Factor

We found the factors 81,51,684 . The biggest common factor number is the GCF number.
So the greatest common factor 81,51,684 is 3.

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

• GCF of 93, 38, 327
• GCF of 75, 91, 578
• GCF of 72, 35, 842
• GCF of 33, 44, 153
• GCF of 10, 91, 722

1. What is the GCF of 81, 51, 684?

Answer: GCF of 81, 51, 684 is 3.

2. How to Find the GCF of 81, 51, 684

Answer: Greatest Common Factor(GCF) of 81, 51, 684 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 51, 684) = 3.