Q: Is 77,757,720 a Composite Number?

Why is 77,757,720 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 77,757,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 37 40 60 74 83 111 120 148 166 185 211 222 249 296 332 370 415 422 444 498 555 633 664 740 830 844 888 996 1,055 1,110 1,245 1,266 1,480 1,660 1,688 1,992 2,110 2,220 2,490 2,532 3,071 3,165 3,320 4,220 4,440 4,980 5,064 6,142 6,330 7,807 8,440 9,213 9,960 12,284 12,660 15,355 15,614 17,513 18,426 23,421 24,568 25,320 30,710 31,228 35,026 36,852 39,035 46,065 46,842 52,539 61,420 62,456 70,052 73,704 78,070 87,565 92,130 93,684 105,078 117,105 122,840 140,104 156,140 175,130 184,260 187,368 210,156 234,210 262,695 312,280 350,260 368,520 420,312 468,420 525,390 647,981 700,520 936,840 1,050,780 1,295,962 1,943,943 2,101,560 2,591,924 3,239,905 3,887,886 5,183,848 6,479,810 7,775,772 9,719,715 12,959,620 15,551,544 19,439,430 25,919,240 38,878,860 and 77,757,720, with no remainder.

Since 77,757,720 cannot be divided by just 1 and 77,757,720, 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).