Q: Is 843,240 a Prime Number?
A: No, 843,240 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 843240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 7,027 14,054 21,081 28,108 35,135 42,162 56,216 70,270 84,324 105,405 140,540 168,648 210,810 281,080 421,620 and 843,240, with no remainder.
Since 843,240 cannot be divided by just 1 and 843,240, it is not a prime number.