Q: Is 172,508 a Prime Number?
A: No, 172,508 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 172508 can be evenly divided by 1 2 4 7 14 28 61 101 122 202 244 404 427 707 854 1,414 1,708 2,828 6,161 12,322 24,644 43,127 86,254 and 172,508, with no remainder.
Since 172,508 cannot be divided by just 1 and 172,508, it is not a prime number.