The number 2,613,072 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 101 112 132 147 154 168 176 196 202 231 264 294 303 308 336 392 404 462 528 539 588 606 616 707 784 808 924 1,078 1,111 1,176 1,212 1,232 1,414 1,616 1,617 1,848 2,121 2,156 2,222 2,352 2,424 2,828 3,234 3,333 3,696 4,242 4,312 4,444 4,848 4,949 5,656 6,468 6,666 7,777 8,484 8,624 8,888 9,898 11,312 12,936 13,332 14,847 15,554 16,968 17,776 19,796 23,331 25,872 26,664 29,694 31,108 33,936 39,592 46,662 53,328 54,439 59,388 62,216 79,184 93,324 108,878 118,776 124,432 163,317 186,648 217,756 237,552 326,634 373,296 435,512 653,268 871,024 1,306,536 and 2,613,072, with no remainder.
Since 2,613,072 cannot be divided by just 1 and 2,613,072, it is a composite number.