Q: Is 478,640 a Composite Number?

 A: Yes, 478,640 is a composite number.

Why is 478,640 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 478,640 can be evenly divided by 1 2 4 5 8 10 16 20 31 40 62 80 124 155 193 248 310 386 496 620 772 965 1,240 1,544 1,930 2,480 3,088 3,860 5,983 7,720 11,966 15,440 23,932 29,915 47,864 59,830 95,728 119,660 239,320 and 478,640, with no remainder.

Since 478,640 cannot be divided by just 1 and 478,640, it is a composite number.


More Examples

Number 478,638478,639478,641478,642
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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