Q: Is 133,728 a Prime Number?
A: No, 133,728 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 133728 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 199 224 336 398 597 672 796 1,194 1,393 1,592 2,388 2,786 3,184 4,179 4,776 5,572 6,368 8,358 9,552 11,144 16,716 19,104 22,288 33,432 44,576 66,864 and 133,728, with no remainder.
Since 133,728 cannot be divided by just 1 and 133,728, it is not a prime number.