Greatest Common Factor of 561, 126, 855

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

• Greatest Common Factor of 561, 126, 855 by common division method
• Greatest Common Factor of 561, 126, 855 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 561

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

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

Factors of 126

List of positive integer factors of 126 that divides 126 without a remainder.

1,2,3,6,7,9,14,18,21,42,63,126

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Greatest Common Factor

We found the factors 561,126,855 . The biggest common factor number is the GCF number.
So the greatest common factor 561,126,855 is 3.

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

• GCF of 413, 429, 401
• GCF of 948, 452, 415
• GCF of 718, 267, 278
• GCF of 540, 605, 922
• GCF of 430, 269, 313

1. What is the GCF of 561, 126, 855?

Answer: GCF of 561, 126, 855 is 3.

2. How to Find the GCF of 561, 126, 855

Answer: Greatest Common Factor(GCF) of 561, 126, 855 = 3

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

Step 2: Then multiply all the prime factors GCF(561, 126, 855) = 3.