Q: Is 161,528 a Prime Number?
A: No, 161,528 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 161528 can be evenly divided by 1 2 4 8 61 122 244 331 488 662 1,324 2,648 20,191 40,382 80,764 and 161,528, with no remainder.
Since 161,528 cannot be divided by just 1 and 161,528, it is not a prime number.