Q: Is 161,020 a Prime Number?
A: No, 161,020 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 161020 can be evenly divided by 1 2 4 5 10 20 83 97 166 194 332 388 415 485 830 970 1,660 1,940 8,051 16,102 32,204 40,255 80,510 and 161,020, with no remainder.
Since 161,020 cannot be divided by just 1 and 161,020, it is not a prime number.