Q: Is 387,438 a Prime Number?
A: No, 387,438 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 387438 can be evenly divided by 1 2 3 6 31 62 93 186 2,083 4,166 6,249 12,498 64,573 129,146 193,719 and 387,438, with no remainder.
Since 387,438 cannot be divided by just 1 and 387,438, it is not a prime number.