Q: Is 133,787 a Prime Number?
A: No, 133,787 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 133787 can be evenly divided by 1 353 379 and 133,787, with no remainder.
Since 133,787 cannot be divided by just 1 and 133,787, it is not a prime number.