Q: Is 1,455,624 a Composite Number?

Why is 1,455,624 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 1,455,624 can be evenly divided by 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 92 108 138 184 207 216 276 293 414 552 586 621 828 879 1,172 1,242 1,656 1,758 2,344 2,484 2,637 3,516 4,968 5,274 6,739 7,032 7,911 10,548 13,478 15,822 20,217 21,096 26,956 31,644 40,434 53,912 60,651 63,288 80,868 121,302 161,736 181,953 242,604 363,906 485,208 727,812 and 1,455,624, with no remainder.

Since 1,455,624 cannot be divided by just 1 and 1,455,624, 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).