Greatest Common Factor of 945, 561, 138

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

• Greatest Common Factor of 945, 561, 138 by common division method
• Greatest Common Factor of 945, 561, 138 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 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

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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 945,561,138 . The biggest common factor number is the GCF number.
So the greatest common factor 945,561,138 is 3.

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

• GCF of 324, 336, 251
• GCF of 796, 855, 210
• GCF of 284, 454, 457
• GCF of 544, 307, 141
• GCF of 165, 473, 314

1. What is the GCF of 945, 561, 138?

Answer: GCF of 945, 561, 138 is 3.

2. How to Find the GCF of 945, 561, 138

Answer: Greatest Common Factor(GCF) of 945, 561, 138 = 3

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

Step 2: Then multiply all the prime factors GCF(945, 561, 138) = 3.