Greatest Common Factor of 561, 657, 423

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

• Greatest Common Factor of 561, 657, 423 by common division method
• Greatest Common Factor of 561, 657, 423 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 657

List of positive integer factors of 657 that divides 657 without a remainder.

1,3,9,73,219,657

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 561,657,423 . The biggest common factor number is the GCF number.
So the greatest common factor 561,657,423 is 3.

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

• GCF of 535, 172, 531
• GCF of 138, 660, 538
• GCF of 631, 319, 876
• GCF of 166, 302, 984
• GCF of 393, 964, 683

1. What is the GCF of 561, 657, 423?

Answer: GCF of 561, 657, 423 is 3.

2. How to Find the GCF of 561, 657, 423

Answer: Greatest Common Factor(GCF) of 561, 657, 423 = 3

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

Step 2: Then multiply all the prime factors GCF(561, 657, 423) = 3.