Q: Is 423,136 a Prime Number?
A: No, 423,136 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 423136 can be evenly divided by 1 2 4 7 8 14 16 28 32 56 112 224 1,889 3,778 7,556 13,223 15,112 26,446 30,224 52,892 60,448 105,784 211,568 and 423,136, with no remainder.
Since 423,136 cannot be divided by just 1 and 423,136, it is not a prime number.