A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1693692 can be evenly divided by 1 2 3 4 6 7 9 11 12 13 14 18 21 22 26 28 33 36 39 42 44 47 52 63 66 77 78 84 91 94 99 117 126 132 141 143 154 156 182 188 198 231 234 252 273 282 286 308 329 364 396 423 429 462 468 517 546 564 572 611 658 693 819 846 858 924 987 1,001 1,034 1,092 1,222 1,287 1,316 1,386 1,551 1,638 1,692 1,716 1,833 1,974 2,002 2,068 2,444 2,574 2,772 2,961 3,003 3,102 3,276 3,619 3,666 3,948 4,004 4,277 4,653 5,148 5,499 5,922 6,006 6,204 6,721 7,238 7,332 8,554 9,009 9,306 10,857 10,998 11,844 12,012 12,831 13,442 14,476 17,108 18,018 18,612 20,163 21,714 21,996 25,662 26,884 32,571 36,036 38,493 40,326 43,428 47,047 51,324 60,489 65,142 76,986 80,652 94,094 120,978 130,284 141,141 153,972 188,188 241,956 282,282 423,423 564,564 846,846 and 1,693,692, with no remainder.
Since 1,693,692 cannot be divided by just 1 and 1,693,692, it is not a prime number.