Q: Is 51,871 a Prime Number?
A: Yes, 51,871 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 51871 can be evenly divided by 1 and 51,871, with no remainder.
Since 51,871 can be divided by just 1 and 51,871, it is a prime number.