Greatest Common Factor of 561, 153, 945

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

• Greatest Common Factor of 561, 153, 945 by common division method
• Greatest Common Factor of 561, 153, 945 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 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 561,153,945 . The biggest common factor number is the GCF number.
So the greatest common factor 561,153,945 is 3.

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

• GCF of 155, 341, 868
• GCF of 544, 444, 561
• GCF of 649, 933, 341
• GCF of 103, 395, 812
• GCF of 830, 216, 195

1. What is the GCF of 561, 153, 945?

Answer: GCF of 561, 153, 945 is 3.

2. How to Find the GCF of 561, 153, 945

Answer: Greatest Common Factor(GCF) of 561, 153, 945 = 3

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

Step 2: Then multiply all the prime factors GCF(561, 153, 945) = 3.