Q: Is 121,851 a Prime Number?
A: No, 121,851 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 121851 can be evenly divided by 1 3 9 27 4,513 13,539 40,617 and 121,851, with no remainder.
Since 121,851 cannot be divided by just 1 and 121,851, it is not a prime number.