Q: Is 1,239,210 a Composite Number?

Why is 1,239,210 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 1,239,210 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 281 294 315 441 490 562 630 735 843 882 1,405 1,470 1,686 1,967 2,205 2,529 2,810 3,934 4,215 4,410 5,058 5,901 8,430 9,835 11,802 12,645 13,769 17,703 19,670 25,290 27,538 29,505 35,406 41,307 59,010 68,845 82,614 88,515 123,921 137,690 177,030 206,535 247,842 413,070 619,605 and 1,239,210, with no remainder.

Since 1,239,210 cannot be divided by just 1 and 1,239,210, 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).