Q: Is 172,628 a Prime Number?
A: No, 172,628 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 172628 can be evenly divided by 1 2 4 103 206 412 419 838 1,676 43,157 86,314 and 172,628, with no remainder.
Since 172,628 cannot be divided by just 1 and 172,628, it is not a prime number.