Q: Is 128,040 a Prime Number?
A: No, 128,040 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 128040 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 97 110 120 132 165 194 220 264 291 330 388 440 485 582 660 776 970 1,067 1,164 1,320 1,455 1,940 2,134 2,328 2,910 3,201 3,880 4,268 5,335 5,820 6,402 8,536 10,670 11,640 12,804 16,005 21,340 25,608 32,010 42,680 64,020 and 128,040, with no remainder.
Since 128,040 cannot be divided by just 1 and 128,040, it is not a prime number.