Q: Is 685,871 a Prime Number?
A: No, 685,871 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 685871 can be evenly divided by 1 47 14,593 and 685,871, with no remainder.
Since 685,871 cannot be divided by just 1 and 685,871, it is not a prime number.