Q: Is 133,820 a Prime Number?
A: No, 133,820 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 133820 can be evenly divided by 1 2 4 5 10 20 6,691 13,382 26,764 33,455 66,910 and 133,820, with no remainder.
Since 133,820 cannot be divided by just 1 and 133,820, it is not a prime number.