Q: Is 851,959 a Prime Number?
A: No, 851,959 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 851959 can be evenly divided by 1 43 19,813 and 851,959, with no remainder.
Since 851,959 cannot be divided by just 1 and 851,959, it is not a prime number.