A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 6113016 can be evenly divided by 1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 84 91 104 108 117 126 156 168 182 189 216 234 252 273 311 312 351 364 378 468 504 546 622 702 728 756 819 933 936 1,092 1,244 1,404 1,512 1,638 1,866 2,177 2,184 2,457 2,488 2,799 2,808 3,276 3,732 4,043 4,354 4,914 5,598 6,531 6,552 7,464 8,086 8,397 8,708 9,828 11,196 12,129 13,062 16,172 16,794 17,416 19,593 19,656 22,392 24,258 26,124 28,301 32,344 33,588 36,387 39,186 48,516 52,248 56,602 58,779 67,176 72,774 78,372 84,903 97,032 109,161 113,204 117,558 145,548 156,744 169,806 218,322 226,408 235,116 254,709 291,096 339,612 436,644 470,232 509,418 679,224 764,127 873,288 1,018,836 1,528,254 2,037,672 3,056,508 and 6,113,016, with no remainder.
Since 6,113,016 cannot be divided by just 1 and 6,113,016, it is not a prime number.