Q: Is 1,780,224 a Composite Number?

Why is 1,780,224 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 1,780,224 can be evenly divided by 1 2 3 4 6 8 12 16 19 24 32 38 48 57 61 64 76 96 114 122 128 152 183 192 228 244 256 304 366 384 456 488 512 608 732 768 912 976 1,159 1,216 1,464 1,536 1,824 1,952 2,318 2,432 2,928 3,477 3,648 3,904 4,636 4,864 5,856 6,954 7,296 7,808 9,272 9,728 11,712 13,908 14,592 15,616 18,544 23,424 27,816 29,184 31,232 37,088 46,848 55,632 74,176 93,696 111,264 148,352 222,528 296,704 445,056 593,408 890,112 and 1,780,224, with no remainder.

Since 1,780,224 cannot be divided by just 1 and 1,780,224, 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).