Greatest Common Factor of 720, 638

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

• Greatest Common Factor of 720, 638 by common division method
• Greatest Common Factor of 720, 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 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

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 720,638 . The biggest common factor number is the GCF number.
So the greatest common factor 720,638 is 2.

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

• GCF of 421, 761
• GCF of 655, 899
• GCF of 130, 281
• GCF of 458, 171
• GCF of 259, 222

1. What is the GCF of 720, 638?

Answer: GCF of 720, 638 is 2.

2. How to Find the GCF of 720, 638

Answer: Greatest Common Factor(GCF) of 720, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(720, 638) = 2.