Q: Is 378,918 a Prime Number?
A: No, 378,918 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 378918 can be evenly divided by 1 2 3 6 9 18 27 54 81 162 2,339 4,678 7,017 14,034 21,051 42,102 63,153 126,306 189,459 and 378,918, with no remainder.
Since 378,918 cannot be divided by just 1 and 378,918, it is not a prime number.