Q: Is 7,921,430 a Composite Number?

Why is 7,921,430 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 7,921,430 can be evenly divided by 1 2 5 10 11 22 23 31 46 55 62 101 110 115 155 202 230 253 310 341 505 506 682 713 1,010 1,111 1,265 1,426 1,705 2,222 2,323 2,530 3,131 3,410 3,565 4,646 5,555 6,262 7,130 7,843 11,110 11,615 15,655 15,686 23,230 25,553 31,310 34,441 39,215 51,106 68,882 72,013 78,430 127,765 144,026 172,205 255,530 344,410 360,065 720,130 792,143 1,584,286 3,960,715 and 7,921,430, with no remainder.

Since 7,921,430 cannot be divided by just 1 and 7,921,430, 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).