Greatest Common Factor of 171, 156, 561

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

• Greatest Common Factor of 171, 156, 561 by common division method
• Greatest Common Factor of 171, 156, 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 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Factors of 156

List of positive integer factors of 156 that divides 156 without a remainder.

1,2,3,4,6,12,13,26,39,52,78,156

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 171,156,561 . The biggest common factor number is the GCF number.
So the greatest common factor 171,156,561 is 3.

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

• GCF of 165, 574, 458
• GCF of 299, 552, 284
• GCF of 711, 617, 633
• GCF of 367, 600, 973
• GCF of 686, 391, 796

1. What is the GCF of 171, 156, 561?

Answer: GCF of 171, 156, 561 is 3.

2. How to Find the GCF of 171, 156, 561

Answer: Greatest Common Factor(GCF) of 171, 156, 561 = 3

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

Step 2: Then multiply all the prime factors GCF(171, 156, 561) = 3.