Q: Is 261,450 a Composite Number?

Why is 261,450 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 261,450 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 83 90 105 126 150 166 175 210 225 249 315 350 415 450 498 525 581 630 747 830 1,050 1,162 1,245 1,494 1,575 1,743 2,075 2,490 2,905 3,150 3,486 3,735 4,150 5,229 5,810 6,225 7,470 8,715 10,458 12,450 14,525 17,430 18,675 26,145 29,050 37,350 43,575 52,290 87,150 130,725 and 261,450, with no remainder.

Since 261,450 cannot be divided by just 1 and 261,450, 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).