A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4113018 can be evenly divided by 1 2 3 6 7 9 13 14 18 21 26 27 31 39 42 54 62 63 78 81 91 93 117 126 162 182 186 189 217 234 243 273 279 351 378 403 434 486 546 558 567 651 702 729 806 819 837 1,053 1,134 1,209 1,302 1,458 1,638 1,674 1,701 1,953 2,106 2,418 2,457 2,511 2,821 3,159 3,402 3,627 3,906 4,914 5,022 5,103 5,642 5,859 6,318 7,254 7,371 7,533 8,463 9,477 10,206 10,881 11,718 14,742 15,066 16,926 17,577 18,954 21,762 22,113 22,599 25,389 32,643 35,154 44,226 45,198 50,778 52,731 65,286 66,339 76,167 97,929 105,462 132,678 152,334 158,193 195,858 228,501 293,787 316,386 457,002 587,574 685,503 1,371,006 2,056,509 and 4,113,018, with no remainder.
Since 4,113,018 cannot be divided by just 1 and 4,113,018, it is not a prime number.