Q: Is 121,132,421 a Prime Number?

 A: No, 121,132,421 is not a prime number.

Why is 121,132,421 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 121132421 can be evenly divided by 1 23 227 5,221 23,201 533,623 5,266,627 and 121,132,421, with no remainder.

Since 121,132,421 cannot be divided by just 1 and 121,132,421, it is not a prime number.


More Examples

Number 121,132,419121,132,420121,132,422121,132,423
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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