Greatest Common Factor of 165, 345, 561

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

• Greatest Common Factor of 165, 345, 561 by common division method
• Greatest Common Factor of 165, 345, 561 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 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Factors of 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 165,345,561 . The biggest common factor number is the GCF number.
So the greatest common factor 165,345,561 is 3.

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

• GCF of 761, 732, 572
• GCF of 229, 880, 108
• GCF of 958, 146, 725
• GCF of 801, 233, 689
• GCF of 717, 994, 317

1. What is the GCF of 165, 345, 561?

Answer: GCF of 165, 345, 561 is 3.

2. How to Find the GCF of 165, 345, 561

Answer: Greatest Common Factor(GCF) of 165, 345, 561 = 3

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

Step 2: Then multiply all the prime factors GCF(165, 345, 561) = 3.