Greatest Common Factor of 420, 638, 48

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

• Greatest Common Factor of 420, 638, 48 by common division method
• Greatest Common Factor of 420, 638, 48 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 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

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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Greatest Common Factor

We found the factors 420,638,48 . The biggest common factor number is the GCF number.
So the greatest common factor 420,638,48 is 2.

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

• GCF of 125, 417, 94
• GCF of 208, 576, 29
• GCF of 848, 179, 87
• GCF of 259, 639, 55
• GCF of 207, 496, 70

1. What is the GCF of 420, 638, 48?

Answer: GCF of 420, 638, 48 is 2.

2. How to Find the GCF of 420, 638, 48

Answer: Greatest Common Factor(GCF) of 420, 638, 48 = 2

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

Step 2: Then multiply all the prime factors GCF(420, 638, 48) = 2.