Q: Is 400,200 a Prime Number?
A: No, 400,200 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 400200 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 23 24 25 29 30 40 46 50 58 60 69 75 87 92 100 115 116 120 138 145 150 174 184 200 230 232 276 290 300 345 348 435 460 552 575 580 600 667 690 696 725 870 920 1,150 1,160 1,334 1,380 1,450 1,725 1,740 2,001 2,175 2,300 2,668 2,760 2,900 3,335 3,450 3,480 4,002 4,350 4,600 5,336 5,800 6,670 6,900 8,004 8,700 10,005 13,340 13,800 16,008 16,675 17,400 20,010 26,680 33,350 40,020 50,025 66,700 80,040 100,050 133,400 200,100 and 400,200, with no remainder.
Since 400,200 cannot be divided by just 1 and 400,200, it is not a prime number.