Q: Is 378,437 a Prime Number?
A: No, 378,437 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 378437 can be evenly divided by 1 17 113 197 1,921 3,349 22,261 and 378,437, with no remainder.
Since 378,437 cannot be divided by just 1 and 378,437, it is not a prime number.