Q: Is 381,121 a Prime Number?
A: No, 381,121 is 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 381121 can be evenly divided by 1 13 19 247 1,543 20,059 29,317 and 381,121, with no remainder.
Since 381,121 cannot be divided by just 1 and 381,121, it is not a prime number.