Q: Is 823,143 a Prime Number?
A: No, 823,143 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 823143 can be evenly divided by 1 3 31 53 93 159 167 501 1,643 4,929 5,177 8,851 15,531 26,553 274,381 and 823,143, with no remainder.
Since 823,143 cannot be divided by just 1 and 823,143, it is not a prime number.