Q: Is 387,121 a Prime Number?
A: No, 387,121 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 387121 can be evenly divided by 1 7 29 203 1,907 13,349 55,303 and 387,121, with no remainder.
Since 387,121 cannot be divided by just 1 and 387,121, it is not a prime number.