Q: Is 85,721 a Prime Number?
A: No, 85,721 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 85721 can be evenly divided by 1 23 3,727 and 85,721, with no remainder.
Since 85,721 cannot be divided by just 1 and 85,721, it is not a prime number.