Q: Is 1,373,625 a Composite Number?

Why is 1,373,625 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 1,373,625 can be evenly divided by 1 3 5 9 11 15 25 27 33 37 45 55 75 99 111 125 135 165 185 225 275 297 333 375 407 495 555 675 825 925 999 1,125 1,221 1,375 1,485 1,665 2,035 2,475 2,775 3,375 3,663 4,125 4,625 4,995 6,105 7,425 8,325 10,175 10,989 12,375 13,875 18,315 24,975 30,525 37,125 41,625 50,875 54,945 91,575 124,875 152,625 274,725 457,875 and 1,373,625, with no remainder.

Since 1,373,625 cannot be divided by just 1 and 1,373,625, 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).