Q: Is 172,918 a Prime Number?
A: No, 172,918 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 172918 can be evenly divided by 1 2 31 62 2,789 5,578 86,459 and 172,918, with no remainder.
Since 172,918 cannot be divided by just 1 and 172,918, it is not a prime number.