Q: Is 43,240 a Prime Number?
A: No, 43,240 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 43240 can be evenly divided by 1 2 4 5 8 10 20 23 40 46 47 92 94 115 184 188 230 235 376 460 470 920 940 1,081 1,880 2,162 4,324 5,405 8,648 10,810 21,620 and 43,240, with no remainder.
Since 43,240 cannot be divided by just 1 and 43,240, it is not a prime number.