Q: Is 1,873,179 a Composite Number?

Why is 1,873,179 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 1,873,179 can be evenly divided by 1 3 7 9 11 17 21 27 33 51 53 63 77 99 119 153 159 187 189 231 297 357 371 459 477 561 583 693 901 1,071 1,113 1,309 1,431 1,683 1,749 2,079 2,703 3,213 3,339 3,927 4,081 5,049 5,247 6,307 8,109 9,911 10,017 11,781 12,243 15,741 18,921 24,327 29,733 35,343 36,729 56,763 69,377 89,199 110,187 170,289 208,131 267,597 624,393 and 1,873,179, with no remainder.

Since 1,873,179 cannot be divided by just 1 and 1,873,179, 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).