Q: Is 378,775 a Prime Number?
A: No, 378,775 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 378775 can be evenly divided by 1 5 25 109 139 545 695 2,725 3,475 15,151 75,755 and 378,775, with no remainder.
Since 378,775 cannot be divided by just 1 and 378,775, it is not a prime number.