Q: Is 378,345 a Prime Number?
A: No, 378,345 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 378345 can be evenly divided by 1 3 5 11 15 33 55 165 2,293 6,879 11,465 25,223 34,395 75,669 126,115 and 378,345, with no remainder.
Since 378,345 cannot be divided by just 1 and 378,345, it is not a prime number.