Q: Is 1,821,300 a Composite Number?

Why is 1,821,300 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,821,300 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 467 650 780 934 975 1,300 1,401 1,868 1,950 2,335 2,802 3,900 4,670 5,604 6,071 7,005 9,340 11,675 12,142 14,010 18,213 23,350 24,284 28,020 30,355 35,025 36,426 46,700 60,710 70,050 72,852 91,065 121,420 140,100 151,775 182,130 303,550 364,260 455,325 607,100 910,650 and 1,821,300, with no remainder.

Since 1,821,300 cannot be divided by just 1 and 1,821,300, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).