Greatest Common Factor of 720, 455, 820

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

• Greatest Common Factor of 720, 455, 820 by common division method
• Greatest Common Factor of 720, 455, 820 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

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 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 720,455,820 . The biggest common factor number is the GCF number.
So the greatest common factor 720,455,820 is 5.

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

• GCF of 647, 314, 388
• GCF of 670, 192, 986
• GCF of 111, 420, 417
• GCF of 890, 824, 724
• GCF of 344, 771, 557

1. What is the GCF of 720, 455, 820?

Answer: GCF of 720, 455, 820 is 5.

2. How to Find the GCF of 720, 455, 820

Answer: Greatest Common Factor(GCF) of 720, 455, 820 = 5

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

Step 2: Then multiply all the prime factors GCF(720, 455, 820) = 5.