Q: Is 423,731 a Prime Number?
A: No, 423,731 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 423731 can be evenly divided by 1 7 11 77 5,503 38,521 60,533 and 423,731, with no remainder.
Since 423,731 cannot be divided by just 1 and 423,731, it is not a prime number.