Q: Is 200,400 a Prime Number?
A: No, 200,400 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 200400 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 167 200 240 300 334 400 501 600 668 835 1,002 1,200 1,336 1,670 2,004 2,505 2,672 3,340 4,008 4,175 5,010 6,680 8,016 8,350 10,020 12,525 13,360 16,700 20,040 25,050 33,400 40,080 50,100 66,800 100,200 and 200,400, with no remainder.
Since 200,400 cannot be divided by just 1 and 200,400, it is not a prime number.