Q: Is 77,245,080 a Composite Number?

Why is 77,245,080 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 77,245,080 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 139 165 220 264 278 330 417 421 440 556 660 695 834 842 1,112 1,263 1,320 1,390 1,529 1,668 1,684 2,085 2,105 2,526 2,780 3,058 3,336 3,368 4,170 4,210 4,587 4,631 5,052 5,560 6,116 6,315 7,645 8,340 8,420 9,174 9,262 10,104 12,232 12,630 13,893 15,290 16,680 16,840 18,348 18,524 22,935 23,155 25,260 27,786 30,580 36,696 37,048 45,870 46,310 50,520 55,572 58,519 61,160 69,465 91,740 92,620 111,144 117,038 138,930 175,557 183,480 185,240 234,076 277,860 292,595 351,114 468,152 555,720 585,190 643,709 702,228 877,785 1,170,380 1,287,418 1,404,456 1,755,570 1,931,127 2,340,760 2,574,836 3,218,545 3,511,140 3,862,254 5,149,672 6,437,090 7,022,280 7,724,508 9,655,635 12,874,180 15,449,016 19,311,270 25,748,360 38,622,540 and 77,245,080, with no remainder.

Since 77,245,080 cannot be divided by just 1 and 77,245,080, 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).