Q: Is 1,552,770 a Composite Number?

Why is 1,552,770 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 1,552,770 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 71 81 90 135 142 162 213 243 270 355 405 426 486 639 710 729 810 1,065 1,215 1,278 1,458 1,917 2,130 2,187 2,430 3,195 3,645 3,834 4,374 5,751 6,390 7,290 9,585 10,935 11,502 17,253 19,170 21,870 28,755 34,506 51,759 57,510 86,265 103,518 155,277 172,530 258,795 310,554 517,590 776,385 and 1,552,770, with no remainder.

Since 1,552,770 cannot be divided by just 1 and 1,552,770, 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).