A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2035104 can be evenly divided by 1 2 3 4 6 8 12 16 17 24 29 32 34 43 48 51 58 68 86 87 96 102 116 129 136 172 174 204 232 258 272 344 348 408 464 493 516 544 688 696 731 816 928 986 1,032 1,247 1,376 1,392 1,462 1,479 1,632 1,972 2,064 2,193 2,494 2,784 2,924 2,958 3,741 3,944 4,128 4,386 4,988 5,848 5,916 7,482 7,888 8,772 9,976 11,696 11,832 14,964 15,776 17,544 19,952 21,199 23,392 23,664 29,928 35,088 39,904 42,398 47,328 59,856 63,597 70,176 84,796 119,712 127,194 169,592 254,388 339,184 508,776 678,368 1,017,552 and 2,035,104, with no remainder.
Since 2,035,104 cannot be divided by just 1 and 2,035,104, it is not a prime number.