Q: Is 409,400 a Prime Number?
A: No, 409,400 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 409400 can be evenly divided by 1 2 4 5 8 10 20 23 25 40 46 50 89 92 100 115 178 184 200 230 356 445 460 575 712 890 920 1,150 1,780 2,047 2,225 2,300 3,560 4,094 4,450 4,600 8,188 8,900 10,235 16,376 17,800 20,470 40,940 51,175 81,880 102,350 204,700 and 409,400, with no remainder.
Since 409,400 cannot be divided by just 1 and 409,400, it is not a prime number.