Q: Is 78,390 a Composite Number?

 A: Yes, 78,390 is a composite number.

Why is 78,390 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 78,390 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 67 78 90 117 130 134 195 201 234 335 390 402 585 603 670 871 1,005 1,170 1,206 1,742 2,010 2,613 3,015 4,355 5,226 6,030 7,839 8,710 13,065 15,678 26,130 39,195 and 78,390, with no remainder.

Since 78,390 cannot be divided by just 1 and 78,390, it is a composite number.


More Examples

Number 78,38878,38978,39178,392
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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