Q: Is 172,842 a Prime Number?
A: No, 172,842 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 172842 can be evenly divided by 1 2 3 6 28,807 57,614 86,421 and 172,842, with no remainder.
Since 172,842 cannot be divided by just 1 and 172,842, it is not a prime number.