Q: Is 72,207,240 a Composite Number?

Why is 72,207,240 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 72,207,240 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 67 70 84 105 120 134 140 168 201 210 268 280 335 402 420 469 536 670 804 840 938 1,005 1,283 1,340 1,407 1,608 1,876 2,010 2,345 2,566 2,680 2,814 3,752 3,849 4,020 4,690 5,132 5,628 6,415 7,035 7,698 8,040 8,981 9,380 10,264 11,256 12,830 14,070 15,396 17,962 18,760 19,245 25,660 26,943 28,140 30,792 35,924 38,490 44,905 51,320 53,886 56,280 71,848 76,980 85,961 89,810 107,772 134,715 153,960 171,922 179,620 215,544 257,883 269,430 343,844 359,240 429,805 515,766 538,860 601,727 687,688 859,610 1,031,532 1,077,720 1,203,454 1,289,415 1,719,220 1,805,181 2,063,064 2,406,908 2,578,830 3,008,635 3,438,440 3,610,362 4,813,816 5,157,660 6,017,270 7,220,724 9,025,905 10,315,320 12,034,540 14,441,448 18,051,810 24,069,080 36,103,620 and 72,207,240, with no remainder.

Since 72,207,240 cannot be divided by just 1 and 72,207,240, 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).