Q: Is 1,541,475 a Composite Number?

Why is 1,541,475 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 1,541,475 can be evenly divided by 1 3 5 9 13 15 17 25 31 39 45 51 65 75 85 93 117 153 155 195 221 225 255 279 325 403 425 465 527 585 663 765 775 975 1,105 1,209 1,275 1,395 1,581 1,989 2,015 2,325 2,635 2,925 3,315 3,627 3,825 4,743 5,525 6,045 6,851 6,975 7,905 9,945 10,075 13,175 16,575 18,135 20,553 23,715 30,225 34,255 39,525 49,725 61,659 90,675 102,765 118,575 171,275 308,295 513,825 and 1,541,475, with no remainder.

Since 1,541,475 cannot be divided by just 1 and 1,541,475, 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).