Q: Is 135,604 a Prime Number?
A: No, 135,604 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 135604 can be evenly divided by 1 2 4 7 14 28 29 58 116 167 203 334 406 668 812 1,169 2,338 4,676 4,843 9,686 19,372 33,901 67,802 and 135,604, with no remainder.
Since 135,604 cannot be divided by just 1 and 135,604, it is not a prime number.