Q: Is 161,739 a Prime Number?
A: No, 161,739 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 161739 can be evenly divided by 1 3 9 17,971 53,913 and 161,739, with no remainder.
Since 161,739 cannot be divided by just 1 and 161,739, it is not a prime number.