Q: Is 1,725,075 a Composite Number?

Why is 1,725,075 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 1,725,075 can be evenly divided by 1 3 5 9 11 15 17 25 33 41 45 51 55 75 85 99 123 153 165 187 205 225 255 275 369 425 451 495 561 615 697 765 825 935 1,025 1,275 1,353 1,683 1,845 2,091 2,255 2,475 2,805 3,075 3,485 3,825 4,059 4,675 6,273 6,765 7,667 8,415 9,225 10,455 11,275 14,025 17,425 20,295 23,001 31,365 33,825 38,335 42,075 52,275 69,003 101,475 115,005 156,825 191,675 345,015 575,025 and 1,725,075, with no remainder.

Since 1,725,075 cannot be divided by just 1 and 1,725,075, 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).