Q: Is 43,400 a Prime Number?
A: No, 43,400 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 43400 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 31 35 40 50 56 62 70 100 124 140 155 175 200 217 248 280 310 350 434 620 700 775 868 1,085 1,240 1,400 1,550 1,736 2,170 3,100 4,340 5,425 6,200 8,680 10,850 21,700 and 43,400, with no remainder.
Since 43,400 cannot be divided by just 1 and 43,400, it is not a prime number.