Q: Is 318,150 a Composite Number?

Why is 318,150 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 318,150 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 101 105 126 150 175 202 210 225 303 315 350 450 505 525 606 630 707 909 1,010 1,050 1,414 1,515 1,575 1,818 2,121 2,525 3,030 3,150 3,535 4,242 4,545 5,050 6,363 7,070 7,575 9,090 10,605 12,726 15,150 17,675 21,210 22,725 31,815 35,350 45,450 53,025 63,630 106,050 159,075 and 318,150, with no remainder.

Since 318,150 cannot be divided by just 1 and 318,150, 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).