Greatest Common Factor of 18, 51, 171

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

• Greatest Common Factor of 18, 51, 171 by common division method
• Greatest Common Factor of 18, 51, 171 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 18,51,171 . The biggest common factor number is the GCF number.
So the greatest common factor 18,51,171 is 3.

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

• GCF of 94, 39, 777
• GCF of 63, 22, 831
• GCF of 42, 58, 772
• GCF of 25, 49, 264
• GCF of 52, 41, 109

1. What is the GCF of 18, 51, 171?

Answer: GCF of 18, 51, 171 is 3.

2. How to Find the GCF of 18, 51, 171

Answer: Greatest Common Factor(GCF) of 18, 51, 171 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 51, 171) = 3.