Q: Is 131,121 a Prime Number?
A: No, 131,121 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 131121 can be evenly divided by 1 3 9 17 51 153 857 2,571 7,713 14,569 43,707 and 131,121, with no remainder.
Since 131,121 cannot be divided by just 1 and 131,121, it is not a prime number.