Greatest Common Factor of 81, 660, 117, 249

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

• Greatest Common Factor of 81, 660, 117, 249 by common division method
• Greatest Common Factor of 81, 660, 117, 249 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 81

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

1,3,9,27,81

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Greatest Common Factor

We found the factors 81,660,117,249 . The biggest common factor number is the GCF number.
So the greatest common factor 81,660,117,249 is 3.

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

• GCF of 45, 639, 898, 139
• GCF of 31, 211, 974, 445
• GCF of 25, 423, 479, 893
• GCF of 91, 518, 430, 502
• GCF of 91, 109, 126, 819

1. What is the GCF of 81, 660, 117, 249?

Answer: GCF of 81, 660, 117, 249 is 3.

2. How to Find the GCF of 81, 660, 117, 249

Answer: Greatest Common Factor(GCF) of 81, 660, 117, 249 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 660, 117, 249) = 3.