Q: Is 387,138 a Prime Number?
A: No, 387,138 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 387138 can be evenly divided by 1 2 3 6 113 226 339 571 678 1,142 1,713 3,426 64,523 129,046 193,569 and 387,138, with no remainder.
Since 387,138 cannot be divided by just 1 and 387,138, it is not a prime number.