Q: Is 7,789,980 a Composite Number?

Why is 7,789,980 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 7,789,980 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 29 30 33 37 44 55 58 60 66 74 87 110 111 116 121 132 145 148 165 174 185 220 222 242 290 319 330 348 363 370 407 435 444 484 555 580 605 638 660 726 740 814 870 957 1,073 1,110 1,210 1,221 1,276 1,452 1,595 1,628 1,740 1,815 1,914 2,035 2,146 2,220 2,420 2,442 3,190 3,219 3,509 3,630 3,828 4,070 4,292 4,477 4,785 4,884 5,365 6,105 6,380 6,438 7,018 7,260 8,140 8,954 9,570 10,527 10,730 11,803 12,210 12,876 13,431 14,036 16,095 17,545 17,908 19,140 21,054 21,460 22,385 23,606 24,420 26,862 32,190 35,090 35,409 42,108 44,770 47,212 52,635 53,724 59,015 64,380 67,155 70,180 70,818 89,540 105,270 118,030 129,833 134,310 141,636 177,045 210,540 236,060 259,666 268,620 354,090 389,499 519,332 649,165 708,180 778,998 1,298,330 1,557,996 1,947,495 2,596,660 3,894,990 and 7,789,980, with no remainder.

Since 7,789,980 cannot be divided by just 1 and 7,789,980, 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).