Q: Is 388,125 a Prime Number?
A: No, 388,125 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 388125 can be evenly divided by 1 3 5 9 15 23 25 27 45 69 75 115 125 135 207 225 345 375 575 621 625 675 1,035 1,125 1,725 1,875 2,875 3,105 3,375 5,175 5,625 8,625 14,375 15,525 16,875 25,875 43,125 77,625 129,375 and 388,125, with no remainder.
Since 388,125 cannot be divided by just 1 and 388,125, it is not a prime number.