Q: Is 133,888 a Prime Number?
A: No, 133,888 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 133888 can be evenly divided by 1 2 4 8 16 32 64 128 256 523 1,046 2,092 4,184 8,368 16,736 33,472 66,944 and 133,888, with no remainder.
Since 133,888 cannot be divided by just 1 and 133,888, it is not a prime number.