Q: Is 23,405 a Prime Number?
A: No, 23,405 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 23405 can be evenly divided by 1 5 31 151 155 755 4,681 and 23,405, with no remainder.
Since 23,405 cannot be divided by just 1 and 23,405, it is not a prime number.