Q: Is 1,720,290 a Composite Number?

Why is 1,720,290 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 1,720,290 can be evenly divided by 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 401 429 715 802 858 1,203 1,430 2,005 2,145 2,406 4,010 4,290 4,411 5,213 6,015 8,822 10,426 12,030 13,233 15,639 22,055 26,065 26,466 31,278 44,110 52,130 57,343 66,165 78,195 114,686 132,330 156,390 172,029 286,715 344,058 573,430 860,145 and 1,720,290, with no remainder.

Since 1,720,290 cannot be divided by just 1 and 1,720,290, 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).