Q: Is 128,880 a Prime Number?
A: No, 128,880 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 128880 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 179 180 240 358 360 537 716 720 895 1,074 1,432 1,611 1,790 2,148 2,685 2,864 3,222 3,580 4,296 5,370 6,444 7,160 8,055 8,592 10,740 12,888 14,320 16,110 21,480 25,776 32,220 42,960 64,440 and 128,880, with no remainder.
Since 128,880 cannot be divided by just 1 and 128,880, it is not a prime number.