Q: Is 1,988,490 a Composite Number?

Why is 1,988,490 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 1,988,490 can be evenly divided by 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 557 595 714 1,114 1,190 1,671 1,785 2,785 3,342 3,570 3,899 5,570 7,798 8,355 9,469 11,697 16,710 18,938 19,495 23,394 28,407 38,990 47,345 56,814 58,485 66,283 94,690 116,970 132,566 142,035 198,849 284,070 331,415 397,698 662,830 994,245 and 1,988,490, with no remainder.

Since 1,988,490 cannot be divided by just 1 and 1,988,490, 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).