Q: Is 871,681 a Prime Number?
A: Yes, 871,681 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 871681 can be evenly divided by 1 and 871,681, with no remainder.
Since 871,681 can be divided by just 1 and 871,681, it is a prime number.