Greatest Common Factor of 81, 27, 630

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

• Greatest Common Factor of 81, 27, 630 by common division method
• Greatest Common Factor of 81, 27, 630 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 630

List of positive integer factors of 630 that divides 630 without a remainder.

1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630

Greatest Common Factor

We found the factors 81,27,630 . The biggest common factor number is the GCF number.
So the greatest common factor 81,27,630 is 9.

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

• GCF of 99, 69, 398
• GCF of 46, 58, 619
• GCF of 57, 60, 128
• GCF of 75, 39, 504
• GCF of 45, 97, 830

1. What is the GCF of 81, 27, 630?

Answer: GCF of 81, 27, 630 is 9.

2. How to Find the GCF of 81, 27, 630

Answer: Greatest Common Factor(GCF) of 81, 27, 630 = 9

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

Step 2: Then multiply all the prime factors GCF(81, 27, 630) = 9.