The number 7,530,432 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 431 448 546 624 672 728 832 862 1,092 1,248 1,293 1,344 1,456 1,724 2,184 2,496 2,586 2,912 3,017 3,448 4,368 5,172 5,603 5,824 6,034 6,896 8,736 9,051 10,344 11,206 12,068 13,792 16,809 17,472 18,102 20,688 22,412 24,136 27,584 33,618 36,204 39,221 41,376 44,824 48,272 67,236 72,408 78,442 82,752 89,648 96,544 117,663 134,472 144,816 156,884 179,296 193,088 235,326 268,944 289,632 313,768 358,592 470,652 537,888 579,264 627,536 941,304 1,075,776 1,255,072 1,882,608 2,510,144 3,765,216 and 7,530,432, with no remainder.
Since 7,530,432 cannot be divided by just 1 and 7,530,432, it is a composite number.