Q: Is 121,173 a Prime Number?
A: No, 121,173 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 121173 can be evenly divided by 1 3 13 39 169 239 507 717 3,107 9,321 40,391 and 121,173, with no remainder.
Since 121,173 cannot be divided by just 1 and 121,173, it is not a prime number.