Q: Is 77,120,421 a Prime Number?

 A: No, 77,120,421 is not a prime number.

Why is 77,120,421 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 77120421 can be evenly divided by 1 3 7 21 1,667 2,203 5,001 6,609 11,669 15,421 35,007 46,263 3,672,401 11,017,203 25,706,807 and 77,120,421, with no remainder.

Since 77,120,421 cannot be divided by just 1 and 77,120,421, it is not a prime number.


More Examples

Number 77,120,41977,120,42077,120,42277,120,423
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 77,120,421:


Ask a Question