Q: Is 2,722,230 a Composite Number?

Why is 2,722,230 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 2,722,230 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 29 30 35 42 45 58 63 70 87 90 105 126 145 149 174 203 210 261 290 298 315 406 435 447 522 609 630 745 870 894 1,015 1,043 1,218 1,305 1,341 1,490 1,827 2,030 2,086 2,235 2,610 2,682 3,045 3,129 3,654 4,321 4,470 5,215 6,090 6,258 6,705 8,642 9,135 9,387 10,430 12,963 13,410 15,645 18,270 18,774 21,605 25,926 30,247 31,290 38,889 43,210 46,935 60,494 64,815 77,778 90,741 93,870 129,630 151,235 181,482 194,445 272,223 302,470 388,890 453,705 544,446 907,410 1,361,115 and 2,722,230, with no remainder.

Since 2,722,230 cannot be divided by just 1 and 2,722,230, 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).