Q: Is 421,201,200 a Prime Number?

 A: No, 421,201,200 is not a prime number.

Why is 421,201,200 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 421201200 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 41 42 48 50 56 60 70 75 80 82 84 100 105 112 120 123 140 150 164 168 175 200 205 210 240 246 280 287 300 328 336 350 400 410 420 492 525 560 574 600 615 656 700 820 840 861 984 1,025 1,050 1,148 1,200 1,223 1,230 1,400 1,435 1,640 1,680 1,722 1,968 2,050 2,100 2,296 2,446 2,460 2,800 2,870 3,075 3,280 3,444 3,669 4,100 4,200 4,305 4,592 4,892 4,920 5,740 6,115 6,150 6,888 7,175 7,338 8,200 8,400 8,561 8,610 9,784 9,840 11,480 12,230 12,300 13,776 14,350 14,676 16,400 17,122 17,220 18,345 19,568 21,525 22,960 24,460 24,600 25,683 28,700 29,352 30,575 34,244 34,440 36,690 42,805 43,050 48,920 49,200 50,143 51,366 57,400 58,704 61,150 68,488 68,880 73,380 85,610 86,100 91,725 97,840 100,286 102,732 114,800 122,300 128,415 136,976 146,760 150,429 171,220 172,200 183,450 200,572 205,464 214,025 244,600 250,715 256,830 293,520 300,858 342,440 344,400 351,001 366,900 401,144 410,928 428,050 489,200 501,430 513,660 601,716 642,075 684,880 702,002 733,800 752,145 802,288 856,100 1,002,860 1,027,320 1,053,003 1,203,432 1,253,575 1,284,150 1,404,004 1,467,600 1,504,290 1,712,200 1,755,005 2,005,720 2,054,640 2,106,006 2,406,864 2,507,150 2,568,300 2,808,008 3,008,580 3,424,400 3,510,010 3,760,725 4,011,440 4,212,012 5,014,300 5,136,600 5,265,015 5,616,016 6,017,160 7,020,020 7,521,450 8,424,024 8,775,025 10,028,600 10,273,200 10,530,030 12,034,320 14,040,040 15,042,900 16,848,048 17,550,050 20,057,200 21,060,060 26,325,075 28,080,080 30,085,800 35,100,100 42,120,120 52,650,150 60,171,600 70,200,200 84,240,240 105,300,300 140,400,400 210,600,600 and 421,201,200, with no remainder.

Since 421,201,200 cannot be divided by just 1 and 421,201,200, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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