Q: Is 1,782,040 a Composite Number?

Why is 1,782,040 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 1,782,040 can be evenly divided by 1 2 4 5 8 10 13 20 23 26 40 46 52 65 92 104 115 130 149 184 230 260 298 299 460 520 596 598 745 920 1,192 1,196 1,490 1,495 1,937 2,392 2,980 2,990 3,427 3,874 5,960 5,980 6,854 7,748 9,685 11,960 13,708 15,496 17,135 19,370 27,416 34,270 38,740 44,551 68,540 77,480 89,102 137,080 178,204 222,755 356,408 445,510 891,020 and 1,782,040, with no remainder.

Since 1,782,040 cannot be divided by just 1 and 1,782,040, 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).