Q: Is 1,901,790 a Composite Number?

Why is 1,901,790 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 1,901,790 can be evenly divided by 1 2 3 5 6 9 10 11 15 17 18 22 30 33 34 45 51 55 66 85 90 99 102 110 113 153 165 170 187 198 226 255 306 330 339 374 495 510 561 565 678 765 935 990 1,017 1,122 1,130 1,243 1,530 1,683 1,695 1,870 1,921 2,034 2,486 2,805 3,366 3,390 3,729 3,842 5,085 5,610 5,763 6,215 7,458 8,415 9,605 10,170 11,187 11,526 12,430 16,830 17,289 18,645 19,210 21,131 22,374 28,815 34,578 37,290 42,262 55,935 57,630 63,393 86,445 105,655 111,870 126,786 172,890 190,179 211,310 316,965 380,358 633,930 950,895 and 1,901,790, with no remainder.

Since 1,901,790 cannot be divided by just 1 and 1,901,790, 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).