Q: Is 160,721 a Prime Number?
A: No, 160,721 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 160721 can be evenly divided by 1 11 19 209 769 8,459 14,611 and 160,721, with no remainder.
Since 160,721 cannot be divided by just 1 and 160,721, it is not a prime number.