Q: Is 3,990,870 a Composite Number?

Why is 3,990,870 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 3,990,870 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 379 390 405 585 702 758 810 1,053 1,137 1,170 1,755 1,895 2,106 2,274 3,411 3,510 3,790 4,927 5,265 5,685 6,822 9,854 10,233 10,530 11,370 14,781 17,055 20,466 24,635 29,562 30,699 34,110 44,343 49,270 51,165 61,398 73,905 88,686 102,330 133,029 147,810 153,495 221,715 266,058 306,990 399,087 443,430 665,145 798,174 1,330,290 1,995,435 and 3,990,870, with no remainder.

Since 3,990,870 cannot be divided by just 1 and 3,990,870, 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).