Greatest Common Factor of 81, 390, 117

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

• Greatest Common Factor of 81, 390, 117 by common division method
• Greatest Common Factor of 81, 390, 117 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 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 117

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

1,3,9,13,39,117

Greatest Common Factor

We found the factors 81,390,117 . The biggest common factor number is the GCF number.
So the greatest common factor 81,390,117 is 3.

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

• GCF of 89, 345, 773
• GCF of 89, 368, 947
• GCF of 16, 257, 174
• GCF of 91, 405, 673
• GCF of 55, 310, 632

1. What is the GCF of 81, 390, 117?

Answer: GCF of 81, 390, 117 is 3.

2. How to Find the GCF of 81, 390, 117

Answer: Greatest Common Factor(GCF) of 81, 390, 117 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 390, 117) = 3.