A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8044848 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 36 42 46 48 56 63 69 72 84 92 112 126 138 144 161 168 184 207 252 276 322 336 347 368 414 483 504 552 644 694 828 966 1,008 1,041 1,104 1,288 1,388 1,449 1,656 1,932 2,082 2,429 2,576 2,776 2,898 3,123 3,312 3,864 4,164 4,858 5,552 5,796 6,246 7,287 7,728 7,981 8,328 9,716 11,592 12,492 14,574 15,962 16,656 19,432 21,861 23,184 23,943 24,984 29,148 31,924 38,864 43,722 47,886 49,968 55,867 58,296 63,848 71,829 87,444 95,772 111,734 116,592 127,696 143,658 167,601 174,888 191,544 223,468 287,316 335,202 349,776 383,088 446,936 502,803 574,632 670,404 893,872 1,005,606 1,149,264 1,340,808 2,011,212 2,681,616 4,022,424 and 8,044,848, with no remainder.
Since 8,044,848 cannot be divided by just 1 and 8,044,848, it is not a prime number.