Q: Is 840,800 a Prime Number?
A: No, 840,800 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 840800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1,051 2,102 4,204 5,255 8,408 10,510 16,816 21,020 26,275 33,632 42,040 52,550 84,080 105,100 168,160 210,200 420,400 and 840,800, with no remainder.
Since 840,800 cannot be divided by just 1 and 840,800, it is not a prime number.