Q: Is 4,000,409 a Prime Number?

 A: No, 4,000,409 is not a prime number.

Why is 4,000,409 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 4000409 can be evenly divided by 1 7 49 107 109 343 749 763 5,243 5,341 11,663 36,701 37,387 81,641 571,487 and 4,000,409, with no remainder.

Since 4,000,409 cannot be divided by just 1 and 4,000,409, it is not a prime number.


More Examples

Number 4,000,4074,000,4084,000,4104,000,411
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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