Q: Is 161,823 a Prime Number?
A: No, 161,823 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 161823 can be evenly divided by 1 3 17 19 51 57 167 323 501 969 2,839 3,173 8,517 9,519 53,941 and 161,823, with no remainder.
Since 161,823 cannot be divided by just 1 and 161,823, it is not a prime number.