Q: Is 7,730,478 a Composite Number?

Why is 7,730,478 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 7,730,478 can be evenly divided by 1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 81 102 119 126 153 162 189 238 306 357 378 401 459 567 714 802 918 1,071 1,134 1,203 1,377 2,142 2,406 2,754 2,807 3,213 3,609 5,614 6,426 6,817 7,218 8,421 9,639 10,827 13,634 16,842 19,278 20,451 21,654 25,263 32,481 40,902 47,719 50,526 61,353 64,962 75,789 95,438 122,706 143,157 151,578 184,059 227,367 286,314 368,118 429,471 454,734 552,177 858,942 1,104,354 1,288,413 2,576,826 3,865,239 and 7,730,478, with no remainder.

Since 7,730,478 cannot be divided by just 1 and 7,730,478, 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).