Q: Is 2,390,388 a Composite Number?

Why is 2,390,388 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 2,390,388 can be evenly divided by 1 2 3 4 6 7 11 12 13 14 21 22 26 28 33 39 42 44 52 66 77 78 84 91 132 143 154 156 182 199 231 273 286 308 364 398 429 462 546 572 597 796 858 924 1,001 1,092 1,194 1,393 1,716 2,002 2,189 2,388 2,587 2,786 3,003 4,004 4,179 4,378 5,174 5,572 6,006 6,567 7,761 8,358 8,756 10,348 12,012 13,134 15,323 15,522 16,716 18,109 26,268 28,457 30,646 31,044 36,218 45,969 54,327 56,914 61,292 72,436 85,371 91,938 108,654 113,828 170,742 183,876 199,199 217,308 341,484 398,398 597,597 796,796 1,195,194 and 2,390,388, with no remainder.

Since 2,390,388 cannot be divided by just 1 and 2,390,388, 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).