Q: Is 423,291 a Prime Number?
A: No, 423,291 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 423291 can be evenly divided by 1 3 11 33 101 127 303 381 1,111 1,397 3,333 4,191 12,827 38,481 141,097 and 423,291, with no remainder.
Since 423,291 cannot be divided by just 1 and 423,291, it is not a prime number.