Greatest Common Factor of 438, 249, 420

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

• Greatest Common Factor of 438, 249, 420 by common division method
• Greatest Common Factor of 438, 249, 420 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 438

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

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

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 438,249,420 . The biggest common factor number is the GCF number.
So the greatest common factor 438,249,420 is 3.

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

• GCF of 185, 462, 760
• GCF of 554, 818, 583
• GCF of 579, 248, 999
• GCF of 502, 517, 996
• GCF of 999, 121, 577

1. What is the GCF of 438, 249, 420?

Answer: GCF of 438, 249, 420 is 3.

2. How to Find the GCF of 438, 249, 420

Answer: Greatest Common Factor(GCF) of 438, 249, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(438, 249, 420) = 3.