Q: Is 15,423 a Prime Number?
A: No, 15,423 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 15423 can be evenly divided by 1 3 53 97 159 291 5,141 and 15,423, with no remainder.
Since 15,423 cannot be divided by just 1 and 15,423, it is not a prime number.