Q: Is 378,320 a Prime Number?
A: No, 378,320 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 378320 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,729 9,458 18,916 23,645 37,832 47,290 75,664 94,580 189,160 and 378,320, with no remainder.
Since 378,320 cannot be divided by just 1 and 378,320, it is not a prime number.