Q: Is 261,430 a Prime Number?
A: No, 261,430 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 261430 can be evenly divided by 1 2 5 10 13 26 65 130 2,011 4,022 10,055 20,110 26,143 52,286 130,715 and 261,430, with no remainder.
Since 261,430 cannot be divided by just 1 and 261,430, it is not a prime number.