Q: Is 171,901 a Prime Number?
A: No, 171,901 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 171901 can be evenly divided by 1 397 433 and 171,901, with no remainder.
Since 171,901 cannot be divided by just 1 and 171,901, it is not a prime number.