A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 31067820 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1,260 1,890 3,780 8,219 16,438 24,657 32,876 41,095 49,314 57,533 73,971 82,190 98,628 115,066 123,285 147,942 164,380 172,599 221,913 230,132 246,570 287,665 295,884 345,198 369,855 443,826 493,140 517,797 575,330 690,396 739,710 862,995 887,652 1,035,594 1,109,565 1,150,660 1,479,420 1,553,391 1,725,990 2,071,188 2,219,130 2,588,985 3,106,782 3,451,980 4,438,260 5,177,970 6,213,564 7,766,955 10,355,940 15,533,910 and 31,067,820, with no remainder.
Since 31,067,820 cannot be divided by just 1 and 31,067,820, it is not a prime number.
Number | 31,067,818 | 31,067,819 | 31,067,821 | 31,067,822 |
Prime? | no | yes | yes | no |