Greatest Common Factor of 561, 861, 135, 27

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

• Greatest Common Factor of 561, 861, 135, 27 by common division method
• Greatest Common Factor of 561, 861, 135, 27 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 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Factors of 135

List of positive integer factors of 135 that divides 135 without a remainder.

1,3,5,9,15,27,45,135

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Greatest Common Factor

We found the factors 561,861,135,27 . The biggest common factor number is the GCF number.
So the greatest common factor 561,861,135,27 is 3.

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

• GCF of 124, 297, 526, 55
• GCF of 654, 394, 207, 76
• GCF of 792, 182, 942, 67
• GCF of 107, 281, 554, 46
• GCF of 261, 268, 241, 52

1. What is the GCF of 561, 861, 135, 27?

Answer: GCF of 561, 861, 135, 27 is 3.

2. How to Find the GCF of 561, 861, 135, 27

Answer: Greatest Common Factor(GCF) of 561, 861, 135, 27 = 3

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

Step 2: Then multiply all the prime factors GCF(561, 861, 135, 27) = 3.