Q: Is 395,478 a Prime Number?
A: No, 395,478 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 395478 can be evenly divided by 1 2 3 6 9 18 127 173 254 346 381 519 762 1,038 1,143 1,557 2,286 3,114 21,971 43,942 65,913 131,826 197,739 and 395,478, with no remainder.
Since 395,478 cannot be divided by just 1 and 395,478, it is not a prime number.