Q: Is 13,875 a Prime Number?
A: No, 13,875 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 13875 can be evenly divided by 1 3 5 15 25 37 75 111 125 185 375 555 925 2,775 4,625 and 13,875, with no remainder.
Since 13,875 cannot be divided by just 1 and 13,875, it is not a prime number.