Q: Is 261,530 a Prime Number?
A: No, 261,530 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 261530 can be evenly divided by 1 2 5 10 26,153 52,306 130,765 and 261,530, with no remainder.
Since 261,530 cannot be divided by just 1 and 261,530, it is not a prime number.