Q: Is 1,365,728 a Composite Number?

Why is 1,365,728 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 1,365,728 can be evenly divided by 1 2 4 7 8 13 14 16 26 28 32 49 52 56 67 91 98 104 112 134 182 196 208 224 268 364 392 416 469 536 637 728 784 871 938 1,072 1,274 1,456 1,568 1,742 1,876 2,144 2,548 2,912 3,283 3,484 3,752 5,096 6,097 6,566 6,968 7,504 10,192 12,194 13,132 13,936 15,008 20,384 24,388 26,264 27,872 42,679 48,776 52,528 85,358 97,552 105,056 170,716 195,104 341,432 682,864 and 1,365,728, with no remainder.

Since 1,365,728 cannot be divided by just 1 and 1,365,728, 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).