Q: Is 23,420 a Prime Number?
A: No, 23,420 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 23420 can be evenly divided by 1 2 4 5 10 20 1,171 2,342 4,684 5,855 11,710 and 23,420, with no remainder.
Since 23,420 cannot be divided by just 1 and 23,420, it is not a prime number.