The number 2,461,056 can be evenly divided by 1 2 3 4 6 8 12 13 16 17 24 26 29 32 34 39 48 51 52 58 64 68 78 87 96 102 104 116 128 136 156 174 192 204 208 221 232 272 312 348 377 384 408 416 442 464 493 544 624 663 696 754 816 832 884 928 986 1,088 1,131 1,248 1,326 1,392 1,479 1,508 1,632 1,664 1,768 1,856 1,972 2,176 2,262 2,496 2,652 2,784 2,958 3,016 3,264 3,536 3,712 3,944 4,524 4,992 5,304 5,568 5,916 6,032 6,409 6,528 7,072 7,888 9,048 10,608 11,136 11,832 12,064 12,818 14,144 15,776 18,096 19,227 21,216 23,664 24,128 25,636 28,288 31,552 36,192 38,454 42,432 47,328 48,256 51,272 63,104 72,384 76,908 84,864 94,656 102,544 144,768 153,816 189,312 205,088 307,632 410,176 615,264 820,352 1,230,528 and 2,461,056, with no remainder.
Since 2,461,056 cannot be divided by just 1 and 2,461,056, it is a composite number.