Q: Is 128,940 a Prime Number?
A: No, 128,940 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 128940 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 307 420 614 921 1,228 1,535 1,842 2,149 3,070 3,684 4,298 4,605 6,140 6,447 8,596 9,210 10,745 12,894 18,420 21,490 25,788 32,235 42,980 64,470 and 128,940, with no remainder.
Since 128,940 cannot be divided by just 1 and 128,940, it is not a prime number.