Q: Is 43,840 a Prime Number?
A: No, 43,840 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 43840 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 137 160 274 320 548 685 1,096 1,370 2,192 2,740 4,384 5,480 8,768 10,960 21,920 and 43,840, with no remainder.
Since 43,840 cannot be divided by just 1 and 43,840, it is not a prime number.