Q: Is 6,513,780 a Composite Number?

Why is 6,513,780 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 6,513,780 can be evenly divided by 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1,092 1,193 1,365 1,820 2,386 2,730 3,579 4,772 5,460 5,965 7,158 8,351 11,930 14,316 15,509 16,702 17,895 23,860 25,053 31,018 33,404 35,790 41,755 46,527 50,106 62,036 71,580 77,545 83,510 93,054 100,212 108,563 125,265 155,090 167,020 186,108 217,126 232,635 250,530 310,180 325,689 434,252 465,270 501,060 542,815 651,378 930,540 1,085,630 1,302,756 1,628,445 2,171,260 3,256,890 and 6,513,780, with no remainder.

Since 6,513,780 cannot be divided by just 1 and 6,513,780, 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).