Q: Is 378,617 a Prime Number?
A: No, 378,617 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 378617 can be evenly divided by 1 67 5,651 and 378,617, with no remainder.
Since 378,617 cannot be divided by just 1 and 378,617, it is not a prime number.