Q: Is 68,470,740 a Composite Number?

Why is 68,470,740 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 68,470,740 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 29 30 36 39 45 52 58 60 65 78 87 90 116 117 130 145 156 174 180 195 234 260 261 290 348 377 390 435 468 522 580 585 754 780 870 1,009 1,044 1,131 1,170 1,305 1,508 1,740 1,885 2,018 2,262 2,340 2,610 3,027 3,393 3,770 4,036 4,524 5,045 5,220 5,655 6,054 6,786 7,540 9,081 10,090 11,310 12,108 13,117 13,572 15,135 16,965 18,162 20,180 22,620 26,234 29,261 30,270 33,930 36,324 39,351 45,405 52,468 58,522 60,540 65,585 67,860 78,702 87,783 90,810 117,044 118,053 131,170 146,305 157,404 175,566 181,620 196,755 236,106 262,340 263,349 292,610 351,132 380,393 393,510 438,915 472,212 526,698 585,220 590,265 760,786 787,020 877,830 1,053,396 1,141,179 1,180,530 1,316,745 1,521,572 1,755,660 1,901,965 2,282,358 2,361,060 2,633,490 3,423,537 3,803,930 4,564,716 5,266,980 5,705,895 6,847,074 7,607,860 11,411,790 13,694,148 17,117,685 22,823,580 34,235,370 and 68,470,740, with no remainder.

Since 68,470,740 cannot be divided by just 1 and 68,470,740, 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).