Q: Is 261,424 a Prime Number?
A: No, 261,424 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 261424 can be evenly divided by 1 2 4 8 16 16,339 32,678 65,356 130,712 and 261,424, with no remainder.
Since 261,424 cannot be divided by just 1 and 261,424, it is not a prime number.