Q: Is 378,005 a Prime Number?
A: No, 378,005 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 378005 can be evenly divided by 1 5 19 23 95 115 173 437 865 2,185 3,287 3,979 16,435 19,895 75,601 and 378,005, with no remainder.
Since 378,005 cannot be divided by just 1 and 378,005, it is not a prime number.