Q: Is 1,243,512 a Composite Number?

Why is 1,243,512 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 1,243,512 can be evenly divided by 1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 81 101 108 114 152 162 171 202 216 228 303 324 342 404 456 513 606 648 684 808 909 1,026 1,212 1,368 1,539 1,818 1,919 2,052 2,424 2,727 3,078 3,636 3,838 4,104 5,454 5,757 6,156 7,272 7,676 8,181 10,908 11,514 12,312 15,352 16,362 17,271 21,816 23,028 32,724 34,542 46,056 51,813 65,448 69,084 103,626 138,168 155,439 207,252 310,878 414,504 621,756 and 1,243,512, with no remainder.

Since 1,243,512 cannot be divided by just 1 and 1,243,512, 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).