Greatest Common Factor of 81, 45, 207

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

• Greatest Common Factor of 81, 45, 207 by common division method
• Greatest Common Factor of 81, 45, 207 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 x 3 = 9

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 81,45,207 . The biggest common factor number is the GCF number.
So the greatest common factor 81,45,207 is 9.

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

• GCF of 60, 52, 399
• GCF of 63, 58, 560
• GCF of 97, 27, 912
• GCF of 75, 21, 830
• GCF of 99, 17, 843

1. What is the GCF of 81, 45, 207?

Answer: GCF of 81, 45, 207 is 9.

2. How to Find the GCF of 81, 45, 207

Answer: Greatest Common Factor(GCF) of 81, 45, 207 = 9

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

Step 2: Then multiply all the prime factors GCF(81, 45, 207) = 9.