Q: Is 8,427,720 a Composite Number?

Why is 8,427,720 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 8,427,720 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 84 105 120 127 140 158 168 210 237 254 280 316 381 395 420 474 508 553 632 635 762 790 840 889 948 1,016 1,106 1,185 1,270 1,524 1,580 1,659 1,778 1,896 1,905 2,212 2,370 2,540 2,667 2,765 3,048 3,160 3,318 3,556 3,810 4,424 4,445 4,740 5,080 5,334 5,530 6,636 7,112 7,620 8,295 8,890 9,480 10,033 10,668 11,060 13,272 13,335 15,240 16,590 17,780 20,066 21,336 22,120 26,670 30,099 33,180 35,560 40,132 50,165 53,340 60,198 66,360 70,231 80,264 100,330 106,680 120,396 140,462 150,495 200,660 210,693 240,792 280,924 300,990 351,155 401,320 421,386 561,848 601,980 702,310 842,772 1,053,465 1,203,960 1,404,620 1,685,544 2,106,930 2,809,240 4,213,860 and 8,427,720, with no remainder.

Since 8,427,720 cannot be divided by just 1 and 8,427,720, 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).