Greatest Common Factor of 638, 390, 424

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

• Greatest Common Factor of 638, 390, 424 by common division method
• Greatest Common Factor of 638, 390, 424 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Greatest Common Factor

We found the factors 638,390,424 . The biggest common factor number is the GCF number.
So the greatest common factor 638,390,424 is 2.

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

• GCF of 863, 575, 416
• GCF of 517, 876, 134
• GCF of 637, 843, 364
• GCF of 663, 274, 818
• GCF of 123, 840, 252

1. What is the GCF of 638, 390, 424?

Answer: GCF of 638, 390, 424 is 2.

2. How to Find the GCF of 638, 390, 424

Answer: Greatest Common Factor(GCF) of 638, 390, 424 = 2

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

Step 2: Then multiply all the prime factors GCF(638, 390, 424) = 2.