A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4505424 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 23 24 28 33 42 44 46 48 53 56 66 69 77 84 88 92 106 112 132 138 154 159 161 168 176 184 212 231 253 264 276 308 318 322 336 368 371 424 462 483 506 528 552 583 616 636 644 742 759 848 924 966 1,012 1,104 1,113 1,166 1,219 1,232 1,272 1,288 1,484 1,518 1,749 1,771 1,848 1,932 2,024 2,226 2,332 2,438 2,544 2,576 2,968 3,036 3,498 3,542 3,657 3,696 3,864 4,048 4,081 4,452 4,664 4,876 5,313 5,936 6,072 6,996 7,084 7,314 7,728 8,162 8,533 8,904 9,328 9,752 10,626 12,144 12,243 13,409 13,992 14,168 14,628 16,324 17,066 17,808 19,504 21,252 24,486 25,599 26,818 27,984 28,336 29,256 32,648 34,132 40,227 42,504 48,972 51,198 53,636 58,512 65,296 68,264 80,454 85,008 93,863 97,944 102,396 107,272 136,528 160,908 187,726 195,888 204,792 214,544 281,589 321,816 375,452 409,584 563,178 643,632 750,904 1,126,356 1,501,808 2,252,712 and 4,505,424, with no remainder.
Since 4,505,424 cannot be divided by just 1 and 4,505,424, it is not a prime number.