Greatest Common Factor of 105, 663, 81

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

• Greatest Common Factor of 105, 663, 81 by common division method
• Greatest Common Factor of 105, 663, 81 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 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Factors of 81

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

1,3,9,27,81

Greatest Common Factor

We found the factors 105,663,81 . The biggest common factor number is the GCF number.
So the greatest common factor 105,663,81 is 3.

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

• GCF of 366, 923, 14
• GCF of 548, 523, 75
• GCF of 392, 264, 40
• GCF of 207, 399, 14
• GCF of 226, 388, 22

1. What is the GCF of 105, 663, 81?

Answer: GCF of 105, 663, 81 is 3.

2. How to Find the GCF of 105, 663, 81

Answer: Greatest Common Factor(GCF) of 105, 663, 81 = 3

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

Step 2: Then multiply all the prime factors GCF(105, 663, 81) = 3.