A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3029832 can be evenly divided by 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 83 104 108 117 156 166 169 216 234 249 312 332 338 351 468 498 507 664 676 702 747 936 996 1,014 1,079 1,352 1,404 1,494 1,521 1,992 2,028 2,158 2,241 2,808 2,988 3,042 3,237 4,056 4,316 4,482 4,563 5,976 6,084 6,474 8,632 8,964 9,126 9,711 12,168 12,948 14,027 17,928 18,252 19,422 25,896 28,054 29,133 36,504 38,844 42,081 56,108 58,266 77,688 84,162 112,216 116,532 126,243 168,324 233,064 252,486 336,648 378,729 504,972 757,458 1,009,944 1,514,916 and 3,029,832, with no remainder.
Since 3,029,832 cannot be divided by just 1 and 3,029,832, it is not a prime number.