Q: Is 1,382,780 a Composite Number?

Why is 1,382,780 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 1,382,780 can be evenly divided by 1 2 4 5 7 10 14 17 20 28 34 35 49 68 70 83 85 98 119 140 166 170 196 238 245 332 340 415 476 490 581 595 830 833 980 1,162 1,190 1,411 1,660 1,666 2,324 2,380 2,822 2,905 3,332 4,067 4,165 5,644 5,810 7,055 8,134 8,330 9,877 11,620 14,110 16,268 16,660 19,754 20,335 28,220 39,508 40,670 49,385 69,139 81,340 98,770 138,278 197,540 276,556 345,695 691,390 and 1,382,780, with no remainder.

Since 1,382,780 cannot be divided by just 1 and 1,382,780, 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).