Greatest Common Factor of 28, 392, 638

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

• Greatest Common Factor of 28, 392, 638 by common division method
• Greatest Common Factor of 28, 392, 638 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 28

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

1,2,4,7,14,28

Factors of 392

List of positive integer factors of 392 that divides 392 without a remainder.

1,2,4,7,8,14,28,49,56,98,196,392

Factors of 638

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

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

Greatest Common Factor

We found the factors 28,392,638 . The biggest common factor number is the GCF number.
So the greatest common factor 28,392,638 is 2.

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

• GCF of 88, 495, 866
• GCF of 58, 877, 196
• GCF of 17, 736, 611
• GCF of 77, 657, 830
• GCF of 84, 101, 608

1. What is the GCF of 28, 392, 638?

Answer: GCF of 28, 392, 638 is 2.

2. How to Find the GCF of 28, 392, 638

Answer: Greatest Common Factor(GCF) of 28, 392, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(28, 392, 638) = 2.