Q: Is 210,851 a Prime Number?
A: No, 210,851 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 210851 can be evenly divided by 1 17 79 157 1,343 2,669 12,403 and 210,851, with no remainder.
Since 210,851 cannot be divided by just 1 and 210,851, it is not a prime number.