Q: Is 133,604 a Prime Number?
A: No, 133,604 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 133604 can be evenly divided by 1 2 4 127 254 263 508 526 1,052 33,401 66,802 and 133,604, with no remainder.
Since 133,604 cannot be divided by just 1 and 133,604, it is not a prime number.