The number 4,379,232 can be evenly divided by 1 2 3 4 6 8 11 12 13 16 22 24 26 29 32 33 39 44 48 52 58 66 78 87 88 96 104 116 121 132 143 156 174 176 208 232 242 264 286 312 319 348 352 363 377 416 429 464 484 528 572 624 638 696 726 754 858 928 957 968 1,056 1,131 1,144 1,248 1,276 1,392 1,452 1,508 1,573 1,716 1,914 1,936 2,262 2,288 2,552 2,784 2,904 3,016 3,146 3,432 3,509 3,828 3,872 4,147 4,524 4,576 4,719 5,104 5,808 6,032 6,292 6,864 7,018 7,656 8,294 9,048 9,438 10,208 10,527 11,616 12,064 12,441 12,584 13,728 14,036 15,312 16,588 18,096 18,876 21,054 24,882 25,168 28,072 30,624 33,176 36,192 37,752 42,108 45,617 49,764 50,336 56,144 66,352 75,504 84,216 91,234 99,528 112,288 132,704 136,851 151,008 168,432 182,468 199,056 273,702 336,864 364,936 398,112 547,404 729,872 1,094,808 1,459,744 2,189,616 and 4,379,232, with no remainder.
Since 4,379,232 cannot be divided by just 1 and 4,379,232, it is a composite number.