Q: Is 133,540 a Prime Number?
A: No, 133,540 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 133540 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 607 1,214 2,428 3,035 6,070 6,677 12,140 13,354 26,708 33,385 66,770 and 133,540, with no remainder.
Since 133,540 cannot be divided by just 1 and 133,540, it is not a prime number.