The number 3,152,016 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 53 56 59 63 72 84 106 112 118 126 144 159 168 177 212 236 252 318 336 354 371 413 424 472 477 504 531 636 708 742 826 848 944 954 1,008 1,062 1,113 1,239 1,272 1,416 1,484 1,652 1,908 2,124 2,226 2,478 2,544 2,832 2,968 3,127 3,304 3,339 3,717 3,816 4,248 4,452 4,956 5,936 6,254 6,608 6,678 7,434 7,632 8,496 8,904 9,381 9,912 12,508 13,356 14,868 17,808 18,762 19,824 21,889 25,016 26,712 28,143 29,736 37,524 43,778 50,032 53,424 56,286 59,472 65,667 75,048 87,556 112,572 131,334 150,096 175,112 197,001 225,144 262,668 350,224 394,002 450,288 525,336 788,004 1,050,672 1,576,008 and 3,152,016, with no remainder.
Since 3,152,016 cannot be divided by just 1 and 3,152,016, it is a composite number.