Greatest Common Factor of 30, 18, 63, 858

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

• Greatest Common Factor of 30, 18, 63, 858 by common division method
• Greatest Common Factor of 30, 18, 63, 858 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 30

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

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

Factors of 18

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

1,2,3,6,9,18

Factors of 63

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

1,3,7,9,21,63

Factors of 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Greatest Common Factor

We found the factors 30,18,63,858 . The biggest common factor number is the GCF number.
So the greatest common factor 30,18,63,858 is 3.

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

• GCF of 28, 19, 78, 441
• GCF of 81, 65, 35, 289
• GCF of 67, 11, 31, 685
• GCF of 19, 89, 49, 197
• GCF of 18, 42, 94, 420

1. What is the GCF of 30, 18, 63, 858?

Answer: GCF of 30, 18, 63, 858 is 3.

2. How to Find the GCF of 30, 18, 63, 858

Answer: Greatest Common Factor(GCF) of 30, 18, 63, 858 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 18, 63, 858) = 3.