Greatest Common Factor of 30, 63, 438

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

• Greatest Common Factor of 30, 63, 438 by common division method
• Greatest Common Factor of 30, 63, 438 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 63

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

1,3,7,9,21,63

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 30,63,438 . The biggest common factor number is the GCF number.
So the greatest common factor 30,63,438 is 3.

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

• GCF of 49, 66, 134
• GCF of 30, 55, 936
• GCF of 56, 35, 222
• GCF of 72, 88, 458
• GCF of 33, 34, 571

1. What is the GCF of 30, 63, 438?

Answer: GCF of 30, 63, 438 is 3.

2. How to Find the GCF of 30, 63, 438

Answer: Greatest Common Factor(GCF) of 30, 63, 438 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 63, 438) = 3.