Q: Is 2,149,770 a Composite Number?

Why is 2,149,770 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 2,149,770 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 353 406 435 609 706 870 1,015 1,059 1,218 1,765 2,030 2,118 2,471 3,045 3,530 4,942 5,295 6,090 7,413 10,237 10,590 12,355 14,826 20,474 24,710 30,711 37,065 51,185 61,422 71,659 74,130 102,370 143,318 153,555 214,977 307,110 358,295 429,954 716,590 1,074,885 and 2,149,770, with no remainder.

Since 2,149,770 cannot be divided by just 1 and 2,149,770, 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).