Q: Is 402,420,401 a Prime Number?

 A: No, 402,420,401 is not a prime number.

Why is 402,420,401 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 402420401 can be evenly divided by 1 167 613 3,931 102,371 656,477 2,409,703 and 402,420,401, with no remainder.

Since 402,420,401 cannot be divided by just 1 and 402,420,401, it is not a prime number.


More Examples

Number 402,420,399402,420,400402,420,402402,420,403
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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