Q: Is 261,613 a Prime Number?
A: No, 261,613 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 261613 can be evenly divided by 1 11 17 187 1,399 15,389 23,783 and 261,613, with no remainder.
Since 261,613 cannot be divided by just 1 and 261,613, it is not a prime number.