A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5753412 can be evenly divided by 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 79 84 102 119 126 153 158 204 237 238 252 289 306 316 357 474 476 553 578 612 711 714 867 948 1,071 1,106 1,156 1,343 1,422 1,428 1,659 1,734 2,023 2,142 2,212 2,601 2,686 2,844 3,318 3,468 4,029 4,046 4,284 4,977 5,202 5,372 6,069 6,636 8,058 8,092 9,401 9,954 10,404 12,087 12,138 16,116 18,207 18,802 19,908 22,831 24,174 24,276 28,203 36,414 37,604 45,662 48,348 56,406 68,493 72,828 84,609 91,324 112,812 136,986 159,817 169,218 205,479 273,972 319,634 338,436 410,958 479,451 639,268 821,916 958,902 1,438,353 1,917,804 2,876,706 and 5,753,412, with no remainder.
Since 5,753,412 cannot be divided by just 1 and 5,753,412, it is not a prime number.