Greatest Common Factor of 30, 45, 438

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

• Greatest Common Factor of 30, 45, 438 by common division method
• Greatest Common Factor of 30, 45, 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

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 30,45,438 . The biggest common factor number is the GCF number.
So the greatest common factor 30,45,438 is 3.

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

• GCF of 85, 47, 477
• GCF of 63, 38, 192
• GCF of 97, 84, 923
• GCF of 93, 12, 170
• GCF of 53, 78, 628

1. What is the GCF of 30, 45, 438?

Answer: GCF of 30, 45, 438 is 3.

2. How to Find the GCF of 30, 45, 438

Answer: Greatest Common Factor(GCF) of 30, 45, 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, 45, 438) = 3.