Q: Is 400,015,000 a Prime Number?
A: No, 400,015,000 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 400015000 can be evenly divided by 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 280 308 350 385 440 500 550 616 625 700 770 875 1,000 1,039 1,100 1,250 1,375 1,400 1,540 1,750 1,925 2,078 2,200 2,500 2,750 3,080 3,500 3,850 4,156 4,375 5,000 5,195 5,500 6,875 7,000 7,273 7,700 8,312 8,750 9,625 10,390 11,000 11,429 13,750 14,546 15,400 17,500 19,250 20,780 22,858 25,975 27,500 29,092 35,000 36,365 38,500 41,560 45,716 48,125 51,950 55,000 57,145 58,184 72,730 77,000 80,003 91,432 96,250 103,900 114,290 129,875 145,460 160,006 181,825 192,500 207,800 228,580 259,750 285,725 290,920 320,012 363,650 385,000 400,015 457,160 519,500 571,450 640,024 649,375 727,300 800,030 909,125 1,039,000 1,142,900 1,298,750 1,428,625 1,454,600 1,600,060 1,818,250 2,000,075 2,285,800 2,597,500 2,857,250 3,200,120 3,636,500 4,000,150 4,545,625 5,195,000 5,714,500 7,143,125 7,273,000 8,000,300 9,091,250 10,000,375 11,429,000 14,286,250 16,000,600 18,182,500 20,000,750 28,572,500 36,365,000 40,001,500 50,001,875 57,145,000 80,003,000 100,003,750 200,007,500 and 400,015,000, with no remainder.
Since 400,015,000 cannot be divided by just 1 and 400,015,000, it is not a prime number.
| Number | 400,014,998 | 400,014,999 | 400,015,001 | 400,015,002 |
| Prime? | no | no | no | no |