Q: Is 161,530 a Prime Number?
A: No, 161,530 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 161530 can be evenly divided by 1 2 5 10 29 58 145 290 557 1,114 2,785 5,570 16,153 32,306 80,765 and 161,530, with no remainder.
Since 161,530 cannot be divided by just 1 and 161,530, it is not a prime number.