Q: Is 801,920 a Prime Number?
A: No, 801,920 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 801920 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 179 224 280 320 358 448 560 640 716 895 896 1,120 1,253 1,432 1,790 2,240 2,506 2,864 3,580 4,480 5,012 5,728 6,265 7,160 10,024 11,456 12,530 14,320 20,048 22,912 25,060 28,640 40,096 50,120 57,280 80,192 100,240 114,560 160,384 200,480 400,960 and 801,920, with no remainder.
Since 801,920 cannot be divided by just 1 and 801,920, it is not a prime number.