Q: Is 999,990 a Composite Number?

 A: Yes, 999,990 is a composite number.

Why is 999,990 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 999,990 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 41 45 82 90 123 205 246 271 369 410 542 615 738 813 1,230 1,355 1,626 1,845 2,439 2,710 3,690 4,065 4,878 8,130 11,111 12,195 22,222 24,390 33,333 55,555 66,666 99,999 111,110 166,665 199,998 333,330 499,995 and 999,990, with no remainder.

Since 999,990 cannot be divided by just 1 and 999,990, it is a composite number.


More Examples

Number 999,988999,989999,991999,992
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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