Greatest Common Factor of 66, 55, 561

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

• Greatest Common Factor of 66, 55, 561 by common division method
• Greatest Common Factor of 66, 55, 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 11 = 11

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

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 66,55,561 . The biggest common factor number is the GCF number.
So the greatest common factor 66,55,561 is 11.

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

• GCF of 24, 27, 635
• GCF of 66, 14, 185
• GCF of 19, 68, 723
• GCF of 98, 91, 400
• GCF of 44, 44, 311

1. What is the GCF of 66, 55, 561?

Answer: GCF of 66, 55, 561 is 11.

2. How to Find the GCF of 66, 55, 561

Answer: Greatest Common Factor(GCF) of 66, 55, 561 = 11

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

Step 2: Then multiply all the prime factors GCF(66, 55, 561) = 11.