Greatest Common Factor of 18, 60, 63, 285

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

• Greatest Common Factor of 18, 60, 63, 285 by common division method
• Greatest Common Factor of 18, 60, 63, 285 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 285

List of positive integer factors of 285 that divides 285 without a remainder.

1,3,5,15,19,57,95,285

Greatest Common Factor

We found the factors 18,60,63,285 . The biggest common factor number is the GCF number.
So the greatest common factor 18,60,63,285 is 3.

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

• GCF of 43, 86, 99, 810
• GCF of 97, 13, 57, 980
• GCF of 49, 57, 80, 785
• GCF of 78, 16, 91, 705
• GCF of 13, 26, 31, 817

1. What is the GCF of 18, 60, 63, 285?

Answer: GCF of 18, 60, 63, 285 is 3.

2. How to Find the GCF of 18, 60, 63, 285

Answer: Greatest Common Factor(GCF) of 18, 60, 63, 285 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 60, 63, 285) = 3.