The number 3,607,296 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 61 64 66 77 84 88 96 112 122 128 132 154 168 176 183 192 224 231 244 256 264 308 336 352 366 384 427 448 462 488 528 616 671 672 704 732 768 854 896 924 976 1,056 1,232 1,281 1,342 1,344 1,408 1,464 1,708 1,792 1,848 1,952 2,013 2,112 2,464 2,562 2,684 2,688 2,816 2,928 3,416 3,696 3,904 4,026 4,224 4,697 4,928 5,124 5,368 5,376 5,856 6,832 7,392 7,808 8,052 8,448 9,394 9,856 10,248 10,736 11,712 13,664 14,091 14,784 15,616 16,104 18,788 19,712 20,496 21,472 23,424 27,328 28,182 29,568 32,208 37,576 40,992 42,944 46,848 54,656 56,364 59,136 64,416 75,152 81,984 85,888 109,312 112,728 128,832 150,304 163,968 171,776 225,456 257,664 300,608 327,936 450,912 515,328 601,216 901,824 1,202,432 1,803,648 and 3,607,296, with no remainder.
Since 3,607,296 cannot be divided by just 1 and 3,607,296, it is a composite number.