Q: Is 1,513,890 a Composite Number?

Why is 1,513,890 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 1,513,890 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 89 90 105 126 135 162 178 189 210 243 267 270 315 378 405 445 486 534 567 623 630 801 810 890 945 1,134 1,215 1,246 1,335 1,602 1,701 1,869 1,890 2,403 2,430 2,670 2,835 3,115 3,402 3,738 4,005 4,806 5,607 5,670 6,230 7,209 8,010 8,505 9,345 11,214 12,015 14,418 16,821 17,010 18,690 21,627 24,030 28,035 33,642 36,045 43,254 50,463 56,070 72,090 84,105 100,926 108,135 151,389 168,210 216,270 252,315 302,778 504,630 756,945 and 1,513,890, with no remainder.

Since 1,513,890 cannot be divided by just 1 and 1,513,890, 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).