Q: Is 765,450 a Composite Number?

Why is 765,450 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 765,450 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 126 135 150 162 175 189 210 225 243 270 315 350 378 405 450 486 525 567 630 675 729 810 945 1,050 1,134 1,215 1,350 1,458 1,575 1,701 1,890 2,025 2,187 2,430 2,835 3,150 3,402 3,645 4,050 4,374 4,725 5,103 5,670 6,075 7,290 8,505 9,450 10,206 10,935 12,150 14,175 15,309 17,010 18,225 21,870 25,515 28,350 30,618 36,450 42,525 51,030 54,675 76,545 85,050 109,350 127,575 153,090 255,150 382,725 and 765,450, with no remainder.

Since 765,450 cannot be divided by just 1 and 765,450, 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).