Q: Is 161,355 a Prime Number?
A: No, 161,355 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 161355 can be evenly divided by 1 3 5 15 31 93 155 347 465 1,041 1,735 5,205 10,757 32,271 53,785 and 161,355, with no remainder.
Since 161,355 cannot be divided by just 1 and 161,355, it is not a prime number.