Q: Is 40,678,680 a Composite Number?

Why is 40,678,680 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 40,678,680 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 79 84 105 120 140 158 168 210 237 280 316 395 420 474 553 613 632 790 840 948 1,106 1,185 1,226 1,580 1,659 1,839 1,896 2,212 2,370 2,452 2,765 3,065 3,160 3,318 3,678 4,291 4,424 4,740 4,904 5,530 6,130 6,636 7,356 8,295 8,582 9,195 9,480 11,060 12,260 12,873 13,272 14,712 16,590 17,164 18,390 21,455 22,120 24,520 25,746 33,180 34,328 36,780 42,910 48,427 51,492 64,365 66,360 73,560 85,820 96,854 102,984 128,730 145,281 171,640 193,708 242,135 257,460 290,562 338,989 387,416 484,270 514,920 581,124 677,978 726,405 968,540 1,016,967 1,162,248 1,355,956 1,452,810 1,694,945 1,937,080 2,033,934 2,711,912 2,905,620 3,389,890 4,067,868 5,084,835 5,811,240 6,779,780 8,135,736 10,169,670 13,559,560 20,339,340 and 40,678,680, with no remainder.

Since 40,678,680 cannot be divided by just 1 and 40,678,680, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).