Q: Is 401,440,005 a Prime Number?

 A: No, 401,440,005 is not a prime number.

Why is 401,440,005 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 401440005 can be evenly divided by 1 3 5 9 15 45 8,920,889 26,762,667 44,604,445 80,288,001 133,813,335 and 401,440,005, with no remainder.

Since 401,440,005 cannot be divided by just 1 and 401,440,005, it is not a prime number.


More Examples

Number 401,440,003401,440,004401,440,006401,440,007
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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