Q: Is 263,121 a Prime Number?
A: No, 263,121 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 263121 can be evenly divided by 1 3 229 383 687 1,149 87,707 and 263,121, with no remainder.
Since 263,121 cannot be divided by just 1 and 263,121, it is not a prime number.