Q: Is 30,527,775 a Composite Number?

Why is 30,527,775 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 30,527,775 can be evenly divided by 1 3 5 9 15 19 25 37 45 57 75 95 111 171 185 193 225 285 333 475 555 579 703 855 925 965 1,425 1,665 1,737 2,109 2,775 2,895 3,515 3,667 4,275 4,825 6,327 7,141 8,325 8,685 10,545 11,001 14,475 17,575 18,335 21,423 31,635 33,003 35,705 43,425 52,725 55,005 64,269 91,675 107,115 135,679 158,175 165,015 178,525 275,025 321,345 407,037 535,575 678,395 825,075 1,221,111 1,606,725 2,035,185 3,391,975 6,105,555 10,175,925 and 30,527,775, with no remainder.

Since 30,527,775 cannot be divided by just 1 and 30,527,775, 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).