Q: Is 387,980 a Prime Number?
A: No, 387,980 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 387980 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 1,021 2,042 4,084 5,105 10,210 19,399 20,420 38,798 77,596 96,995 193,990 and 387,980, with no remainder.
Since 387,980 cannot be divided by just 1 and 387,980, it is not a prime number.