Q: Is 21,002,100 a Prime Number?
A: No, 21,002,100 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 21002100 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 73 75 84 100 105 137 140 146 150 175 210 219 274 292 300 350 365 411 420 438 511 525 548 685 700 730 822 876 959 1,022 1,050 1,095 1,370 1,460 1,533 1,644 1,825 1,918 2,044 2,055 2,100 2,190 2,555 2,740 2,877 3,066 3,425 3,650 3,836 4,110 4,380 4,795 5,110 5,475 5,754 6,132 6,850 7,300 7,665 8,220 9,590 10,001 10,220 10,275 10,950 11,508 12,775 13,700 14,385 15,330 19,180 20,002 20,550 21,900 23,975 25,550 28,770 30,003 30,660 38,325 40,004 41,100 47,950 50,005 51,100 57,540 60,006 70,007 71,925 76,650 95,900 100,010 120,012 140,014 143,850 150,015 153,300 200,020 210,021 250,025 280,028 287,700 300,030 350,035 420,042 500,050 600,060 700,070 750,075 840,084 1,000,100 1,050,105 1,400,140 1,500,150 1,750,175 2,100,210 3,000,300 3,500,350 4,200,420 5,250,525 7,000,700 10,501,050 and 21,002,100, with no remainder.
Since 21,002,100 cannot be divided by just 1 and 21,002,100, it is not a prime number.
| Number | 21,002,098 | 21,002,099 | 21,002,101 | 21,002,102 |
| Prime? | no | yes | yes | no |