Greatest Common Factor of 638, 270, 28

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

• Greatest Common Factor of 638, 270, 28 by common division method
• Greatest Common Factor of 638, 270, 28 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 270

List of positive integer factors of 270 that divides 270 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,90,135,270

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Greatest Common Factor

We found the factors 638,270,28 . The biggest common factor number is the GCF number.
So the greatest common factor 638,270,28 is 2.

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

• GCF of 424, 585, 67
• GCF of 782, 526, 75
• GCF of 856, 520, 57
• GCF of 827, 295, 72
• GCF of 379, 190, 27

1. What is the GCF of 638, 270, 28?

Answer: GCF of 638, 270, 28 is 2.

2. How to Find the GCF of 638, 270, 28

Answer: Greatest Common Factor(GCF) of 638, 270, 28 = 2

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

Step 2: Then multiply all the prime factors GCF(638, 270, 28) = 2.