The number 7,137,984 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 47 48 56 64 84 94 96 112 113 141 168 188 192 224 226 282 329 336 339 376 448 452 564 658 672 678 752 791 904 987 1,128 1,316 1,344 1,356 1,504 1,582 1,808 1,974 2,256 2,373 2,632 2,712 3,008 3,164 3,616 3,948 4,512 4,746 5,264 5,311 5,424 6,328 7,232 7,896 9,024 9,492 10,528 10,622 10,848 12,656 15,792 15,933 18,984 21,056 21,244 21,696 25,312 31,584 31,866 37,177 37,968 42,488 50,624 63,168 63,732 74,354 75,936 84,976 111,531 127,464 148,708 151,872 169,952 223,062 254,928 297,416 339,904 446,124 509,856 594,832 892,248 1,019,712 1,189,664 1,784,496 2,379,328 3,568,992 and 7,137,984, with no remainder.
Since 7,137,984 cannot be divided by just 1 and 7,137,984, it is a composite number.