A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5772624 can be evenly divided by 1 2 3 4 6 8 11 12 13 16 22 24 26 29 33 39 44 48 52 58 66 78 87 88 104 116 132 143 156 174 176 208 232 264 286 312 319 348 377 429 464 528 572 624 638 696 754 841 858 957 1,131 1,144 1,276 1,392 1,508 1,682 1,716 1,914 2,262 2,288 2,523 2,552 3,016 3,364 3,432 3,828 4,147 4,524 5,046 5,104 6,032 6,728 6,864 7,656 8,294 9,048 9,251 10,092 10,933 12,441 13,456 15,312 16,588 18,096 18,502 20,184 21,866 24,882 27,753 32,799 33,176 37,004 40,368 43,732 49,764 55,506 65,598 66,352 74,008 87,464 99,528 111,012 120,263 131,196 148,016 174,928 199,056 222,024 240,526 262,392 360,789 444,048 481,052 524,784 721,578 962,104 1,443,156 1,924,208 2,886,312 and 5,772,624, with no remainder.
Since 5,772,624 cannot be divided by just 1 and 5,772,624, it is not a prime number.