Q: Is 1,391,670 a Composite Number?

Why is 1,391,670 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 1,391,670 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 47 63 70 90 94 105 126 141 210 235 282 315 329 423 470 630 658 705 846 987 1,410 1,645 1,974 2,115 2,209 2,961 3,290 4,230 4,418 4,935 5,922 6,627 9,870 11,045 13,254 14,805 15,463 19,881 22,090 29,610 30,926 33,135 39,762 46,389 66,270 77,315 92,778 99,405 139,167 154,630 198,810 231,945 278,334 463,890 695,835 and 1,391,670, with no remainder.

Since 1,391,670 cannot be divided by just 1 and 1,391,670, 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).