Q: Is 408,000 a Prime Number?
A: No, 408,000 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 408000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 25 30 32 34 40 48 50 51 60 64 68 75 80 85 96 100 102 120 125 136 150 160 170 192 200 204 240 250 255 272 300 320 340 375 400 408 425 480 500 510 544 600 680 750 800 816 850 960 1,000 1,020 1,088 1,200 1,275 1,360 1,500 1,600 1,632 1,700 2,000 2,040 2,125 2,400 2,550 2,720 3,000 3,264 3,400 4,000 4,080 4,250 4,800 5,100 5,440 6,000 6,375 6,800 8,000 8,160 8,500 10,200 12,000 12,750 13,600 16,320 17,000 20,400 24,000 25,500 27,200 34,000 40,800 51,000 68,000 81,600 102,000 136,000 204,000 and 408,000, with no remainder.
Since 408,000 cannot be divided by just 1 and 408,000, it is not a prime number.