A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 6701464 can be evenly divided by 1 2 4 7 8 11 14 22 23 28 43 44 46 56 77 86 88 92 121 154 161 172 184 242 253 301 308 322 344 473 484 506 602 616 644 847 946 968 989 1,012 1,204 1,288 1,694 1,771 1,892 1,978 2,024 2,408 2,783 3,311 3,388 3,542 3,784 3,956 5,203 5,566 6,622 6,776 6,923 7,084 7,912 10,406 10,879 11,132 13,244 13,846 14,168 19,481 20,812 21,758 22,264 26,488 27,692 36,421 38,962 41,624 43,516 55,384 72,842 76,153 77,924 87,032 119,669 145,684 152,306 155,848 239,338 291,368 304,612 478,676 609,224 837,683 957,352 1,675,366 3,350,732 and 6,701,464, with no remainder.
Since 6,701,464 cannot be divided by just 1 and 6,701,464, it is not a prime number.