Q: Is 678,320 a Composite Number?

 A: Yes, 678,320 is a composite number.

Why is 678,320 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 678,320 can be evenly divided by 1 2 4 5 8 10 16 20 40 61 80 122 139 244 278 305 488 556 610 695 976 1,112 1,220 1,390 2,224 2,440 2,780 4,880 5,560 8,479 11,120 16,958 33,916 42,395 67,832 84,790 135,664 169,580 339,160 and 678,320, with no remainder.

Since 678,320 cannot be divided by just 1 and 678,320, it is a composite number.


More Examples

Number 678,318678,319678,321678,322
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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