Q: Is 1,814,820 a Composite Number?

Why is 1,814,820 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 1,814,820 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 29 30 35 42 58 60 70 84 87 105 116 140 145 149 174 203 210 290 298 348 406 420 435 447 580 596 609 745 812 870 894 1,015 1,043 1,218 1,490 1,740 1,788 2,030 2,086 2,235 2,436 2,980 3,045 3,129 4,060 4,172 4,321 4,470 5,215 6,090 6,258 8,642 8,940 10,430 12,180 12,516 12,963 15,645 17,284 20,860 21,605 25,926 30,247 31,290 43,210 51,852 60,494 62,580 64,815 86,420 90,741 120,988 129,630 151,235 181,482 259,260 302,470 362,964 453,705 604,940 907,410 and 1,814,820, with no remainder.

Since 1,814,820 cannot be divided by just 1 and 1,814,820, 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).