Q: Is 387,637 a Prime Number?
A: No, 387,637 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 387637 can be evenly divided by 1 439 883 and 387,637, with no remainder.
Since 387,637 cannot be divided by just 1 and 387,637, it is not a prime number.