Q: Is 7,750,155 a Composite Number?

Why is 7,750,155 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 7,750,155 can be evenly divided by 1 3 5 7 15 21 31 35 93 105 155 217 465 651 1,085 2,381 3,255 7,143 11,905 16,667 35,715 50,001 73,811 83,335 221,433 250,005 369,055 516,677 1,107,165 1,550,031 2,583,385 and 7,750,155, with no remainder.

Since 7,750,155 cannot be divided by just 1 and 7,750,155, 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).