A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5442570 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 53 63 70 90 105 106 126 159 163 210 265 315 318 326 371 477 489 530 630 742 795 815 954 978 1,113 1,141 1,467 1,590 1,630 1,855 2,226 2,282 2,385 2,445 2,934 3,339 3,423 3,710 4,770 4,890 5,565 5,705 6,678 6,846 7,335 8,639 10,269 11,130 11,410 14,670 16,695 17,115 17,278 20,538 25,917 33,390 34,230 43,195 51,345 51,834 60,473 77,751 86,390 102,690 120,946 129,585 155,502 181,419 259,170 302,365 362,838 388,755 544,257 604,730 777,510 907,095 1,088,514 1,814,190 2,721,285 and 5,442,570, with no remainder.
Since 5,442,570 cannot be divided by just 1 and 5,442,570, it is not a prime number.