Q: Is 387,580 a Prime Number?
A: No, 387,580 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 387580 can be evenly divided by 1 2 4 5 10 20 19,379 38,758 77,516 96,895 193,790 and 387,580, with no remainder.
Since 387,580 cannot be divided by just 1 and 387,580, it is not a prime number.