Greatest Common Factor of 18, 30, 89, 63

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

• Greatest Common Factor of 18, 30, 89, 63 by common division method
• Greatest Common Factor of 18, 30, 89, 63 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 18

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

1,2,3,6,9,18

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 63

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

1,3,7,9,21,63

Greatest Common Factor

We found the factors 18,30,89,63 . The biggest common factor number is the GCF number.
So the greatest common factor 18,30,89,63 is 1.

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

• GCF of 27, 12, 17, 59
• GCF of 28, 15, 65, 56
• GCF of 75, 44, 77, 77
• GCF of 49, 68, 70, 45
• GCF of 11, 65, 86, 42

1. What is the GCF of 18, 30, 89, 63?

Answer: GCF of 18, 30, 89, 63 is 1.

2. How to Find the GCF of 18, 30, 89, 63

Answer: Greatest Common Factor(GCF) of 18, 30, 89, 63 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 30, 89, 63) = 1.