Q: Is 5,121 a Prime Number?
A: No, 5,121 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 5121 can be evenly divided by 1 3 9 569 1,707 and 5,121, with no remainder.
Since 5,121 cannot be divided by just 1 and 5,121, it is not a prime number.