Q: Is 2,144,142 a Prime Number?
A: No, 2,144,142 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 2144142 can be evenly divided by 1 2 3 6 7 9 11 13 14 17 18 21 22 26 33 34 39 42 49 51 63 66 77 78 91 98 99 102 117 119 126 143 147 153 154 182 187 198 221 231 234 238 273 286 294 306 357 374 429 441 442 462 539 546 561 637 663 693 714 819 833 858 882 1,001 1,071 1,078 1,122 1,274 1,287 1,309 1,326 1,386 1,547 1,617 1,638 1,666 1,683 1,911 1,989 2,002 2,142 2,431 2,499 2,574 2,618 3,003 3,094 3,234 3,366 3,822 3,927 3,978 4,641 4,851 4,862 4,998 5,733 6,006 7,007 7,293 7,497 7,854 9,009 9,163 9,282 9,702 10,829 11,466 11,781 13,923 14,014 14,586 14,994 17,017 18,018 18,326 21,021 21,658 21,879 23,562 27,489 27,846 32,487 34,034 42,042 43,758 51,051 54,978 63,063 64,974 82,467 97,461 102,102 119,119 126,126 153,153 164,934 194,922 238,238 306,306 357,357 714,714 1,072,071 and 2,144,142, with no remainder.
Since 2,144,142 cannot be divided by just 1 and 2,144,142, it is not a prime number.