Q: Is 133,125 a Prime Number?
A: No, 133,125 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 133125 can be evenly divided by 1 3 5 15 25 71 75 125 213 355 375 625 1,065 1,775 1,875 5,325 8,875 26,625 44,375 and 133,125, with no remainder.
Since 133,125 cannot be divided by just 1 and 133,125, it is not a prime number.