Q: Is 1,815,072 a Composite Number?

Why is 1,815,072 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 1,815,072 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 73 74 84 96 111 112 146 148 168 219 222 224 259 292 296 336 438 444 511 518 584 592 672 777 876 888 1,022 1,036 1,168 1,184 1,533 1,554 1,752 1,776 2,044 2,072 2,336 2,701 3,066 3,108 3,504 3,552 4,088 4,144 5,402 6,132 6,216 7,008 8,103 8,176 8,288 10,804 12,264 12,432 16,206 16,352 18,907 21,608 24,528 24,864 32,412 37,814 43,216 49,056 56,721 64,824 75,628 86,432 113,442 129,648 151,256 226,884 259,296 302,512 453,768 605,024 907,536 and 1,815,072, with no remainder.

Since 1,815,072 cannot be divided by just 1 and 1,815,072, 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).