Q: Is 1,221,138 a Composite Number?

 A: Yes, 1,221,138 is a composite number.

Why is 1,221,138 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 1,221,138 can be evenly divided by 1 2 3 6 9 18 179 358 379 537 758 1,074 1,137 1,611 2,274 3,222 3,411 6,822 67,841 135,682 203,523 407,046 610,569 and 1,221,138, with no remainder.

Since 1,221,138 cannot be divided by just 1 and 1,221,138, it is a composite number.


More Examples

Number 1,221,1361,221,1371,221,1391,221,140
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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