Q: Is 668,736 a Composite Number?

Why is 668,736 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 668,736 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 48 54 64 72 81 86 96 108 129 144 162 172 192 216 243 258 288 324 344 387 432 486 516 576 648 688 774 864 972 1,032 1,161 1,296 1,376 1,548 1,728 1,944 2,064 2,322 2,592 2,752 3,096 3,483 3,888 4,128 4,644 5,184 6,192 6,966 7,776 8,256 9,288 10,449 12,384 13,932 15,552 18,576 20,898 24,768 27,864 37,152 41,796 55,728 74,304 83,592 111,456 167,184 222,912 334,368 and 668,736, with no remainder.

Since 668,736 cannot be divided by just 1 and 668,736, 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).