Q: Is 123,421,401 a Prime Number?

 A: No, 123,421,401 is not a prime number.

Why is 123,421,401 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 123421401 can be evenly divided by 1 3 9 27 81 243 507,907 1,523,721 4,571,163 13,713,489 41,140,467 and 123,421,401, with no remainder.

Since 123,421,401 cannot be divided by just 1 and 123,421,401, it is not a prime number.


More Examples

Number 123,421,399123,421,400123,421,402123,421,403
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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