Q: Is 420,122,421 a Prime Number?

 A: No, 420,122,421 is not a prime number.

Why is 420,122,421 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 420122421 can be evenly divided by 1 3 9 59 177 531 791,191 2,373,573 7,120,719 46,680,269 140,040,807 and 420,122,421, with no remainder.

Since 420,122,421 cannot be divided by just 1 and 420,122,421, it is not a prime number.


More Examples

Number 420,122,419420,122,420420,122,422420,122,423
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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