Q: Is 133,640 a Prime Number?
A: No, 133,640 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 133640 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 257 260 514 520 1,028 1,285 2,056 2,570 3,341 5,140 6,682 10,280 13,364 16,705 26,728 33,410 66,820 and 133,640, with no remainder.
Since 133,640 cannot be divided by just 1 and 133,640, it is not a prime number.