Q: Is 120,157,389 a Prime Number?

 A: No, 120,157,389 is not a prime number.

Why is 120,157,389 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 120157389 can be evenly divided by 1 3 9 11 33 37 99 111 333 407 1,221 3,663 32,803 98,409 295,227 360,833 1,082,499 1,213,711 3,247,497 3,641,133 10,923,399 13,350,821 40,052,463 and 120,157,389, with no remainder.

Since 120,157,389 cannot be divided by just 1 and 120,157,389, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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