A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1114464 can be evenly divided by 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 47 48 52 57 76 78 94 96 104 114 141 152 156 188 208 228 247 282 304 312 376 416 456 494 564 608 611 624 741 752 893 912 988 1,128 1,222 1,248 1,482 1,504 1,786 1,824 1,833 1,976 2,256 2,444 2,679 2,964 3,572 3,666 3,952 4,512 4,888 5,358 5,928 7,144 7,332 7,904 9,776 10,716 11,609 11,856 14,288 14,664 19,552 21,432 23,218 23,712 28,576 29,328 34,827 42,864 46,436 58,656 69,654 85,728 92,872 139,308 185,744 278,616 371,488 557,232 and 1,114,464, with no remainder.
Since 1,114,464 cannot be divided by just 1 and 1,114,464, it is not a prime number.