Q: Is 5,118,390 a Composite Number?

Why is 5,118,390 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 5,118,390 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 71 81 89 90 135 142 162 178 213 267 270 355 405 426 445 534 639 710 801 810 890 1,065 1,278 1,335 1,602 1,917 2,130 2,403 2,670 3,195 3,834 4,005 4,806 5,751 6,319 6,390 7,209 8,010 9,585 11,502 12,015 12,638 14,418 18,957 19,170 24,030 28,755 31,595 36,045 37,914 56,871 57,510 63,190 72,090 94,785 113,742 170,613 189,570 284,355 341,226 511,839 568,710 853,065 1,023,678 1,706,130 2,559,195 and 5,118,390, with no remainder.

Since 5,118,390 cannot be divided by just 1 and 5,118,390, 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).