Q: Is 165,625 a Prime Number?
A: No, 165,625 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 165625 can be evenly divided by 1 5 25 53 125 265 625 1,325 3,125 6,625 33,125 and 165,625, with no remainder.
Since 165,625 cannot be divided by just 1 and 165,625, it is not a prime number.