Q: Is 1,972,782 a Composite Number?

Why is 1,972,782 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 1,972,782 can be evenly divided by 1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 102 119 126 153 189 238 306 307 357 378 459 614 714 918 921 1,071 1,842 2,142 2,149 2,763 3,213 4,298 5,219 5,526 6,426 6,447 8,289 10,438 12,894 15,657 16,578 19,341 31,314 36,533 38,682 46,971 58,023 73,066 93,942 109,599 116,046 140,913 219,198 281,826 328,797 657,594 986,391 and 1,972,782, with no remainder.

Since 1,972,782 cannot be divided by just 1 and 1,972,782, 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).