Q: Is 843,440 a Prime Number?
A: No, 843,440 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 843440 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 811 1,040 1,622 3,244 4,055 6,488 8,110 10,543 12,976 16,220 21,086 32,440 42,172 52,715 64,880 84,344 105,430 168,688 210,860 421,720 and 843,440, with no remainder.
Since 843,440 cannot be divided by just 1 and 843,440, it is not a prime number.