Q: Is 423,787 a Prime Number?
A: No, 423,787 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 423787 can be evenly divided by 1 7 13 91 4,657 32,599 60,541 and 423,787, with no remainder.
Since 423,787 cannot be divided by just 1 and 423,787, it is not a prime number.