Q: Is 1,235,475 a Composite Number?

Why is 1,235,475 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 1,235,475 can be evenly divided by 1 3 5 9 15 17 19 25 45 51 57 75 85 95 153 171 225 255 285 289 323 425 475 765 855 867 969 1,275 1,425 1,445 1,615 2,601 2,907 3,825 4,275 4,335 4,845 5,491 7,225 8,075 13,005 14,535 16,473 21,675 24,225 27,455 49,419 65,025 72,675 82,365 137,275 247,095 411,825 and 1,235,475, with no remainder.

Since 1,235,475 cannot be divided by just 1 and 1,235,475, 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).