Q: Is 423,261 a Prime Number?
A: No, 423,261 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 423261 can be evenly divided by 1 3 9 131 359 393 1,077 1,179 3,231 47,029 141,087 and 423,261, with no remainder.
Since 423,261 cannot be divided by just 1 and 423,261, it is not a prime number.