Q: Is 387,320 a Prime Number?
A: No, 387,320 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 387320 can be evenly divided by 1 2 4 5 8 10 20 23 40 46 92 115 184 230 421 460 842 920 1,684 2,105 3,368 4,210 8,420 9,683 16,840 19,366 38,732 48,415 77,464 96,830 193,660 and 387,320, with no remainder.
Since 387,320 cannot be divided by just 1 and 387,320, it is not a prime number.